Home / 145,335.66-218,001.32-40,152.30

Finding the Fourth Proportional to 145,335.66, 218,001.32 and 40,152.30

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Solution

The fourth proportional to 145,335.66, 218,001.32 and 40,152.30 is: 60,227.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,335.66 : 218,001.32 = 40,152.30 : x
  2. Step 2: Convert to fraction form
    145,335.66/218,001.32 = 40,152.30/x
  3. Step 3: Cross multiply
    145,335.66x = 218,001.32 × 40,152.30
  4. Step 4: Simplify right side
    145,335.66x = 8,753,254,401.04
  5. Step 5: Solve for x
    x = 8,753,254,401.04/145,335.66
  6. Step 6: Final answer
    x = 60,227.85

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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.