Home / 152,853.40-229,280.10-47,672.20

Finding the Fourth Proportional to 152,853.40, 229,280.10 and 47,672.20

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Solution

The fourth proportional to 152,853.40, 229,280.10 and 47,672.20 is: 71,508.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,853.40 : 229,280.10 = 47,672.20 : x
  2. Step 2: Convert to fraction form
    152,853.40/229,280.10 = 47,672.20/x
  3. Step 3: Cross multiply
    152,853.40x = 229,280.10 × 47,672.20
  4. Step 4: Simplify right side
    152,853.40x = 10,930,286,783.22
  5. Step 5: Solve for x
    x = 10,930,286,783.22/152,853.40
  6. Step 6: Final answer
    x = 71,508.30

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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.