Home / 153,432.39-229,113.38-125,408.82

Finding the Fourth Proportional to 153,432.39, 229,113.38 and 125,408.82

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Solution

The fourth proportional to 153,432.39, 229,113.38 and 125,408.82 is: 187,267.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,432.39 : 229,113.38 = 125,408.82 : x
  2. Step 2: Convert to fraction form
    153,432.39/229,113.38 = 125,408.82/x
  3. Step 3: Cross multiply
    153,432.39x = 229,113.38 × 125,408.82
  4. Step 4: Simplify right side
    153,432.39x = 28,732,838,632.01
  5. Step 5: Solve for x
    x = 28,732,838,632.01/153,432.39
  6. Step 6: Final answer
    x = 187,267.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.