Home / 102,200.76-141,043.95-56,882.48

Finding the Fourth Proportional to 102,200.76, 141,043.95 and 56,882.48

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Solution

The fourth proportional to 102,200.76, 141,043.95 and 56,882.48 is: 78,501.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,200.76 : 141,043.95 = 56,882.48 : x
  2. Step 2: Convert to fraction form
    102,200.76/141,043.95 = 56,882.48/x
  3. Step 3: Cross multiply
    102,200.76x = 141,043.95 × 56,882.48
  4. Step 4: Simplify right side
    102,200.76x = 8,022,928,959.78
  5. Step 5: Solve for x
    x = 8,022,928,959.78/102,200.76
  6. Step 6: Final answer
    x = 78,501.66

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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.