Home / 102,200.24-141,035.34-56,877.50

Finding the Fourth Proportional to 102,200.24, 141,035.34 and 56,877.50

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Solution

The fourth proportional to 102,200.24, 141,035.34 and 56,877.50 is: 78,490.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,200.24 : 141,035.34 = 56,877.50 : x
  2. Step 2: Convert to fraction form
    102,200.24/141,035.34 = 56,877.50/x
  3. Step 3: Cross multiply
    102,200.24x = 141,035.34 × 56,877.50
  4. Step 4: Simplify right side
    102,200.24x = 8,021,737,550.85
  5. Step 5: Solve for x
    x = 8,021,737,550.85/102,200.24
  6. Step 6: Final answer
    x = 78,490.40

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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.