Home / 102,218.03-141,060.89-56,895.04

Finding the Fourth Proportional to 102,218.03, 141,060.89 and 56,895.04

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Solution

The fourth proportional to 102,218.03, 141,060.89 and 56,895.04 is: 78,515.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,218.03 : 141,060.89 = 56,895.04 : x
  2. Step 2: Convert to fraction form
    102,218.03/141,060.89 = 56,895.04/x
  3. Step 3: Cross multiply
    102,218.03x = 141,060.89 × 56,895.04
  4. Step 4: Simplify right side
    102,218.03x = 8,025,665,121.22
  5. Step 5: Solve for x
    x = 8,025,665,121.22/102,218.03
  6. Step 6: Final answer
    x = 78,515.16

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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.