Home / 109,290.16-164,013.08-84,355.12

Finding the Fourth Proportional to 109,290.16, 164,013.08 and 84,355.12

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Solution

The fourth proportional to 109,290.16, 164,013.08 and 84,355.12 is: 126,592.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,290.16 : 164,013.08 = 84,355.12 : x
  2. Step 2: Convert to fraction form
    109,290.16/164,013.08 = 84,355.12/x
  3. Step 3: Cross multiply
    109,290.16x = 164,013.08 × 84,355.12
  4. Step 4: Simplify right side
    109,290.16x = 13,835,343,044.97
  5. Step 5: Solve for x
    x = 13,835,343,044.97/109,290.16
  6. Step 6: Final answer
    x = 126,592.76

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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.