Home / 144,669.60-217,004.40-92,116.80

Finding the Fourth Proportional to 144,669.60, 217,004.40 and 92,116.80

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Solution

The fourth proportional to 144,669.60, 217,004.40 and 92,116.80 is: 138,175.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,669.60 : 217,004.40 = 92,116.80 : x
  2. Step 2: Convert to fraction form
    144,669.60/217,004.40 = 92,116.80/x
  3. Step 3: Cross multiply
    144,669.60x = 217,004.40 × 92,116.80
  4. Step 4: Simplify right side
    144,669.60x = 19,989,750,913.92
  5. Step 5: Solve for x
    x = 19,989,750,913.92/144,669.60
  6. Step 6: Final answer
    x = 138,175.20

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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.