Home / 153,269.90-229,902.18-68,970.40

Finding the Fourth Proportional to 153,269.90, 229,902.18 and 68,970.40

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Solution

The fourth proportional to 153,269.90, 229,902.18 and 68,970.40 is: 103,454.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,269.90 : 229,902.18 = 68,970.40 : x
  2. Step 2: Convert to fraction form
    153,269.90/229,902.18 = 68,970.40/x
  3. Step 3: Cross multiply
    153,269.90x = 229,902.18 × 68,970.40
  4. Step 4: Simplify right side
    153,269.90x = 15,856,445,315.47
  5. Step 5: Solve for x
    x = 15,856,445,315.47/153,269.90
  6. Step 6: Final answer
    x = 103,454.40

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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.