Home / 102,737.52-141,777.36-57,415.48

Finding the Fourth Proportional to 102,737.52, 141,777.36 and 57,415.48

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Solution

The fourth proportional to 102,737.52, 141,777.36 and 57,415.48 is: 79,233.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,737.52 : 141,777.36 = 57,415.48 : x
  2. Step 2: Convert to fraction form
    102,737.52/141,777.36 = 57,415.48/x
  3. Step 3: Cross multiply
    102,737.52x = 141,777.36 × 57,415.48
  4. Step 4: Simplify right side
    102,737.52x = 8,140,214,823.09
  5. Step 5: Solve for x
    x = 8,140,214,823.09/102,737.52
  6. Step 6: Final answer
    x = 79,233.13

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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.