Home / 104,423.76-144,105.30-56,677.20

Finding the Fourth Proportional to 104,423.76, 144,105.30 and 56,677.20

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Solution

The fourth proportional to 104,423.76, 144,105.30 and 56,677.20 is: 78,214.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,423.76 : 144,105.30 = 56,677.20 : x
  2. Step 2: Convert to fraction form
    104,423.76/144,105.30 = 56,677.20/x
  3. Step 3: Cross multiply
    104,423.76x = 144,105.30 × 56,677.20
  4. Step 4: Simplify right side
    104,423.76x = 8,167,484,909.16
  5. Step 5: Solve for x
    x = 8,167,484,909.16/104,423.76
  6. Step 6: Final answer
    x = 78,214.81

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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.