Home / 101,382.23-139,902.86-58,363.13

Finding the Fourth Proportional to 101,382.23, 139,902.86 and 58,363.13

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Solution

The fourth proportional to 101,382.23, 139,902.86 and 58,363.13 is: 80,538.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,382.23 : 139,902.86 = 58,363.13 : x
  2. Step 2: Convert to fraction form
    101,382.23/139,902.86 = 58,363.13/x
  3. Step 3: Cross multiply
    101,382.23x = 139,902.86 × 58,363.13
  4. Step 4: Simplify right side
    101,382.23x = 8,165,169,301.22
  5. Step 5: Solve for x
    x = 8,165,169,301.22/101,382.23
  6. Step 6: Final answer
    x = 80,538.46

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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.