Home / 145,424.52-218,141.64-40,234.68

Finding the Fourth Proportional to 145,424.52, 218,141.64 and 40,234.68

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Solution

The fourth proportional to 145,424.52, 218,141.64 and 40,234.68 is: 60,353.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,424.52 : 218,141.64 = 40,234.68 : x
  2. Step 2: Convert to fraction form
    145,424.52/218,141.64 = 40,234.68/x
  3. Step 3: Cross multiply
    145,424.52x = 218,141.64 × 40,234.68
  4. Step 4: Simplify right side
    145,424.52x = 8,776,859,080.08
  5. Step 5: Solve for x
    x = 8,776,859,080.08/145,424.52
  6. Step 6: Final answer
    x = 60,353.36

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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.