Home / 147,370.90-220,925.04-68,442.10

Finding the Fourth Proportional to 147,370.90, 220,925.04 and 68,442.10

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Solution

The fourth proportional to 147,370.90, 220,925.04 and 68,442.10 is: 102,602.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,370.90 : 220,925.04 = 68,442.10 : x
  2. Step 2: Convert to fraction form
    147,370.90/220,925.04 = 68,442.10/x
  3. Step 3: Cross multiply
    147,370.90x = 220,925.04 × 68,442.10
  4. Step 4: Simplify right side
    147,370.90x = 15,120,573,680.18
  5. Step 5: Solve for x
    x = 15,120,573,680.18/147,370.90
  6. Step 6: Final answer
    x = 102,602.17

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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.