Home / 130,104.40-179,489.66-101,374.17

Finding the Fourth Proportional to 130,104.40, 179,489.66 and 101,374.17

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Solution

The fourth proportional to 130,104.40, 179,489.66 and 101,374.17 is: 139,853.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,104.40 : 179,489.66 = 101,374.17 : x
  2. Step 2: Convert to fraction form
    130,104.40/179,489.66 = 101,374.17/x
  3. Step 3: Cross multiply
    130,104.40x = 179,489.66 × 101,374.17
  4. Step 4: Simplify right side
    130,104.40x = 18,195,615,306.08
  5. Step 5: Solve for x
    x = 18,195,615,306.08/130,104.40
  6. Step 6: Final answer
    x = 139,853.96

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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.