Home / 152,214.10-228,321.15-47,043.70

Finding the Fourth Proportional to 152,214.10, 228,321.15 and 47,043.70

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Solution

The fourth proportional to 152,214.10, 228,321.15 and 47,043.70 is: 70,565.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,214.10 : 228,321.15 = 47,043.70 : x
  2. Step 2: Convert to fraction form
    152,214.10/228,321.15 = 47,043.70/x
  3. Step 3: Cross multiply
    152,214.10x = 228,321.15 × 47,043.70
  4. Step 4: Simplify right side
    152,214.10x = 10,741,071,684.26
  5. Step 5: Solve for x
    x = 10,741,071,684.26/152,214.10
  6. Step 6: Final answer
    x = 70,565.55

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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.