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Finding the Fourth Proportional to 144,803.60, 217,205.40 and 131,973.20

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Solution

The fourth proportional to 144,803.60, 217,205.40 and 131,973.20 is: 197,959.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,803.60 : 217,205.40 = 131,973.20 : x
  2. Step 2: Convert to fraction form
    144,803.60/217,205.40 = 131,973.20/x
  3. Step 3: Cross multiply
    144,803.60x = 217,205.40 × 131,973.20
  4. Step 4: Simplify right side
    144,803.60x = 28,665,291,695.28
  5. Step 5: Solve for x
    x = 28,665,291,695.28/144,803.60
  6. Step 6: Final answer
    x = 197,959.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.