Home / 105,538.44-158,337.25-42,402.89

Finding the Fourth Proportional to 105,538.44, 158,337.25 and 42,402.89

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Solution

The fourth proportional to 105,538.44, 158,337.25 and 42,402.89 is: 63,616.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,538.44 : 158,337.25 = 42,402.89 : x
  2. Step 2: Convert to fraction form
    105,538.44/158,337.25 = 42,402.89/x
  3. Step 3: Cross multiply
    105,538.44x = 158,337.25 × 42,402.89
  4. Step 4: Simplify right side
    105,538.44x = 6,713,957,284.49
  5. Step 5: Solve for x
    x = 6,713,957,284.49/105,538.44
  6. Step 6: Final answer
    x = 63,616.22

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1.5x scale

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.