Home / 152,432.10-228,320.10-126,188.10

Finding the Fourth Proportional to 152,432.10, 228,320.10 and 126,188.10

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Solution

The fourth proportional to 152,432.10, 228,320.10 and 126,188.10 is: 189,010.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,432.10 : 228,320.10 = 126,188.10 : x
  2. Step 2: Convert to fraction form
    152,432.10/228,320.10 = 126,188.10/x
  3. Step 3: Cross multiply
    152,432.10x = 228,320.10 × 126,188.10
  4. Step 4: Simplify right side
    152,432.10x = 28,811,279,610.81
  5. Step 5: Solve for x
    x = 28,811,279,610.81/152,432.10
  6. Step 6: Final answer
    x = 189,010.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.