Home / 123,564.46-170,522.98-68,374.40

Finding the Fourth Proportional to 123,564.46, 170,522.98 and 68,374.40

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Solution

The fourth proportional to 123,564.46, 170,522.98 and 68,374.40 is: 94,358.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,564.46 : 170,522.98 = 68,374.40 : x
  2. Step 2: Convert to fraction form
    123,564.46/170,522.98 = 68,374.40/x
  3. Step 3: Cross multiply
    123,564.46x = 170,522.98 × 68,374.40
  4. Step 4: Simplify right side
    123,564.46x = 11,659,406,443.71
  5. Step 5: Solve for x
    x = 11,659,406,443.71/123,564.46
  6. Step 6: Final answer
    x = 94,358.90

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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.