Home / 102,178.10-141,070.56-69,966.62

Finding the Fourth Proportional to 102,178.10, 141,070.56 and 69,966.62

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Solution

The fourth proportional to 102,178.10, 141,070.56 and 69,966.62 is: 96,598.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,178.10 : 141,070.56 = 69,966.62 : x
  2. Step 2: Convert to fraction form
    102,178.10/141,070.56 = 69,966.62/x
  3. Step 3: Cross multiply
    102,178.10x = 141,070.56 × 69,966.62
  4. Step 4: Simplify right side
    102,178.10x = 9,870,230,264.71
  5. Step 5: Solve for x
    x = 9,870,230,264.71/102,178.10
  6. Step 6: Final answer
    x = 96,598.30

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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.