Home / 123,089.10-169,844.26-69,373.18

Finding the Fourth Proportional to 123,089.10, 169,844.26 and 69,373.18

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Solution

The fourth proportional to 123,089.10, 169,844.26 and 69,373.18 is: 95,724.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,089.10 : 169,844.26 = 69,373.18 : x
  2. Step 2: Convert to fraction form
    123,089.10/169,844.26 = 69,373.18/x
  3. Step 3: Cross multiply
    123,089.10x = 169,844.26 × 69,373.18
  4. Step 4: Simplify right side
    123,089.10x = 11,782,636,420.95
  5. Step 5: Solve for x
    x = 11,782,636,420.95/123,089.10
  6. Step 6: Final answer
    x = 95,724.45

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1.5x scale

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.