Home / 165,398.95-247,948.37-60,143.50

Finding the Fourth Proportional to 165,398.95, 247,948.37 and 60,143.50

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Solution

The fourth proportional to 165,398.95, 247,948.37 and 60,143.50 is: 90,160.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,398.95 : 247,948.37 = 60,143.50 : x
  2. Step 2: Convert to fraction form
    165,398.95/247,948.37 = 60,143.50/x
  3. Step 3: Cross multiply
    165,398.95x = 247,948.37 × 60,143.50
  4. Step 4: Simplify right side
    165,398.95x = 14,912,482,791.10
  5. Step 5: Solve for x
    x = 14,912,482,791.10/165,398.95
  6. Step 6: Final answer
    x = 90,160.69

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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.