Home / 147,549.32-221,258.70-42,343.88

Finding the Fourth Proportional to 147,549.32, 221,258.70 and 42,343.88

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Solution

The fourth proportional to 147,549.32, 221,258.70 and 42,343.88 is: 63,497.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,549.32 : 221,258.70 = 42,343.88 : x
  2. Step 2: Convert to fraction form
    147,549.32/221,258.70 = 42,343.88/x
  3. Step 3: Cross multiply
    147,549.32x = 221,258.70 × 42,343.88
  4. Step 4: Simplify right side
    147,549.32x = 9,368,951,841.76
  5. Step 5: Solve for x
    x = 9,368,951,841.76/147,549.32
  6. Step 6: Final answer
    x = 63,497.09

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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.