Home / 102,036.26-140,880.12-63,812.36

Finding the Fourth Proportional to 102,036.26, 140,880.12 and 63,812.36

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Solution

The fourth proportional to 102,036.26, 140,880.12 and 63,812.36 is: 88,104.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,036.26 : 140,880.12 = 63,812.36 : x
  2. Step 2: Convert to fraction form
    102,036.26/140,880.12 = 63,812.36/x
  3. Step 3: Cross multiply
    102,036.26x = 140,880.12 × 63,812.36
  4. Step 4: Simplify right side
    102,036.26x = 8,989,892,934.28
  5. Step 5: Solve for x
    x = 8,989,892,934.28/102,036.26
  6. Step 6: Final answer
    x = 88,104.88

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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.