Home / 102,442.50-141,360.26-57,116.22

Finding the Fourth Proportional to 102,442.50, 141,360.26 and 57,116.22

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Solution

The fourth proportional to 102,442.50, 141,360.26 and 57,116.22 is: 78,814.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,442.50 : 141,360.26 = 57,116.22 : x
  2. Step 2: Convert to fraction form
    102,442.50/141,360.26 = 57,116.22/x
  3. Step 3: Cross multiply
    102,442.50x = 141,360.26 × 57,116.22
  4. Step 4: Simplify right side
    102,442.50x = 8,073,963,709.42
  5. Step 5: Solve for x
    x = 8,073,963,709.42/102,442.50
  6. Step 6: Final answer
    x = 78,814.59

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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.