Home / 147,439.17-221,170.30-52,689.83

Finding the Fourth Proportional to 147,439.17, 221,170.30 and 52,689.83

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Solution

The fourth proportional to 147,439.17, 221,170.30 and 52,689.83 is: 79,038.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,439.17 : 221,170.30 = 52,689.83 : x
  2. Step 2: Convert to fraction form
    147,439.17/221,170.30 = 52,689.83/x
  3. Step 3: Cross multiply
    147,439.17x = 221,170.30 × 52,689.83
  4. Step 4: Simplify right side
    147,439.17x = 11,653,424,270.47
  5. Step 5: Solve for x
    x = 11,653,424,270.47/147,439.17
  6. Step 6: Final answer
    x = 79,038.86

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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.