Home / 131,528.16-181,465.29-74,160.27

Finding the Fourth Proportional to 131,528.16, 181,465.29 and 74,160.27

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Solution

The fourth proportional to 131,528.16, 181,465.29 and 74,160.27 is: 102,316.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,528.16 : 181,465.29 = 74,160.27 : x
  2. Step 2: Convert to fraction form
    131,528.16/181,465.29 = 74,160.27/x
  3. Step 3: Cross multiply
    131,528.16x = 181,465.29 × 74,160.27
  4. Step 4: Simplify right side
    131,528.16x = 13,457,514,902.03
  5. Step 5: Solve for x
    x = 13,457,514,902.03/131,528.16
  6. Step 6: Final answer
    x = 102,316.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.