Home / 102,209.55-141,047.76-56,887.55

Finding the Fourth Proportional to 102,209.55, 141,047.76 and 56,887.55

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Solution

The fourth proportional to 102,209.55, 141,047.76 and 56,887.55 is: 78,504.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,209.55 : 141,047.76 = 56,887.55 : x
  2. Step 2: Convert to fraction form
    102,209.55/141,047.76 = 56,887.55/x
  3. Step 3: Cross multiply
    102,209.55x = 141,047.76 × 56,887.55
  4. Step 4: Simplify right side
    102,209.55x = 8,023,861,323.08
  5. Step 5: Solve for x
    x = 8,023,861,323.08/102,209.55
  6. Step 6: Final answer
    x = 78,504.03

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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.