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Finding the Fourth Proportional to 144,154.68, 216,231.50 and 38,973.63

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Solution

The fourth proportional to 144,154.68, 216,231.50 and 38,973.63 is: 58,460.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,154.68 : 216,231.50 = 38,973.63 : x
  2. Step 2: Convert to fraction form
    144,154.68/216,231.50 = 38,973.63/x
  3. Step 3: Cross multiply
    144,154.68x = 216,231.50 × 38,973.63
  4. Step 4: Simplify right side
    144,154.68x = 8,427,326,475.35
  5. Step 5: Solve for x
    x = 8,427,326,475.35/144,154.68
  6. Step 6: Final answer
    x = 58,460.30

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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.