Home / 152,439.70-228,659.55-143,886.10

Finding the Fourth Proportional to 152,439.70, 228,659.55 and 143,886.10

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Solution

The fourth proportional to 152,439.70, 228,659.55 and 143,886.10 is: 215,829.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,439.70 : 228,659.55 = 143,886.10 : x
  2. Step 2: Convert to fraction form
    152,439.70/228,659.55 = 143,886.10/x
  3. Step 3: Cross multiply
    152,439.70x = 228,659.55 × 143,886.10
  4. Step 4: Simplify right side
    152,439.70x = 32,900,930,877.26
  5. Step 5: Solve for x
    x = 32,900,930,877.26/152,439.70
  6. Step 6: Final answer
    x = 215,829.15

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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.