Home / 102,900.16-142,006.26-60,458.32

Finding the Fourth Proportional to 102,900.16, 142,006.26 and 60,458.32

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Solution

The fourth proportional to 102,900.16, 142,006.26 and 60,458.32 is: 83,434.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,900.16 : 142,006.26 = 60,458.32 : x
  2. Step 2: Convert to fraction form
    102,900.16/142,006.26 = 60,458.32/x
  3. Step 3: Cross multiply
    102,900.16x = 142,006.26 × 60,458.32
  4. Step 4: Simplify right side
    102,900.16x = 8,585,459,909.08
  5. Step 5: Solve for x
    x = 8,585,459,909.08/102,900.16
  6. Step 6: Final answer
    x = 83,434.85

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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.