Home / 104,459.12-144,152.76-56,711.50

Finding the Fourth Proportional to 104,459.12, 144,152.76 and 56,711.50

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Solution

The fourth proportional to 104,459.12, 144,152.76 and 56,711.50 is: 78,261.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,459.12 : 144,152.76 = 56,711.50 : x
  2. Step 2: Convert to fraction form
    104,459.12/144,152.76 = 56,711.50/x
  3. Step 3: Cross multiply
    104,459.12x = 144,152.76 × 56,711.50
  4. Step 4: Simplify right side
    104,459.12x = 8,175,119,248.74
  5. Step 5: Solve for x
    x = 8,175,119,248.74/104,459.12
  6. Step 6: Final answer
    x = 78,261.42

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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.