Home / 145,575.50-218,363.36-40,394.57

Finding the Fourth Proportional to 145,575.50, 218,363.36 and 40,394.57

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Solution

The fourth proportional to 145,575.50, 218,363.36 and 40,394.57 is: 60,591.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,575.50 : 218,363.36 = 40,394.57 : x
  2. Step 2: Convert to fraction form
    145,575.50/218,363.36 = 40,394.57/x
  3. Step 3: Cross multiply
    145,575.50x = 218,363.36 × 40,394.57
  4. Step 4: Simplify right side
    145,575.50x = 8,820,693,828.98
  5. Step 5: Solve for x
    x = 8,820,693,828.98/145,575.50
  6. Step 6: Final answer
    x = 60,591.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.