Home / 147,503.10-221,254.65-136,098.30

Finding the Fourth Proportional to 147,503.10, 221,254.65 and 136,098.30

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Solution

The fourth proportional to 147,503.10, 221,254.65 and 136,098.30 is: 204,147.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,503.10 : 221,254.65 = 136,098.30 : x
  2. Step 2: Convert to fraction form
    147,503.10/221,254.65 = 136,098.30/x
  3. Step 3: Cross multiply
    147,503.10x = 221,254.65 × 136,098.30
  4. Step 4: Simplify right side
    147,503.10x = 30,112,381,732.10
  5. Step 5: Solve for x
    x = 30,112,381,732.10/147,503.10
  6. Step 6: Final answer
    x = 204,147.45

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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.