Home / 130,217.93-179,707.70-72,853.83

Finding the Fourth Proportional to 130,217.93, 179,707.70 and 72,853.83

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Solution

The fourth proportional to 130,217.93, 179,707.70 and 72,853.83 is: 100,542.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,217.93 : 179,707.70 = 72,853.83 : x
  2. Step 2: Convert to fraction form
    130,217.93/179,707.70 = 72,853.83/x
  3. Step 3: Cross multiply
    130,217.93x = 179,707.70 × 72,853.83
  4. Step 4: Simplify right side
    130,217.93x = 13,092,394,407.63
  5. Step 5: Solve for x
    x = 13,092,394,407.63/130,217.93
  6. Step 6: Final answer
    x = 100,542.18

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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.