Home / 124,211.28-171,411.96-67,623

Finding the Fourth Proportional to 124,211.28, 171,411.96 and 67,623

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Solution

The fourth proportional to 124,211.28, 171,411.96 and 67,623 is: 93,319.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,211.28 : 171,411.96 = 67,623 : x
  2. Step 2: Convert to fraction form
    124,211.28/171,411.96 = 67,623/x
  3. Step 3: Cross multiply
    124,211.28x = 171,411.96 × 67,623
  4. Step 4: Simplify right side
    124,211.28x = 11,591,390,971.08
  5. Step 5: Solve for x
    x = 11,591,390,971.08/124,211.28
  6. Step 6: Final answer
    x = 93,319.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.