Home / 153,011.40-229,517.26-47,830.92

Finding the Fourth Proportional to 153,011.40, 229,517.26 and 47,830.92

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Solution

The fourth proportional to 153,011.40, 229,517.26 and 47,830.92 is: 71,746.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,011.40 : 229,517.26 = 47,830.92 : x
  2. Step 2: Convert to fraction form
    153,011.40/229,517.26 = 47,830.92/x
  3. Step 3: Cross multiply
    153,011.40x = 229,517.26 × 47,830.92
  4. Step 4: Simplify right side
    153,011.40x = 10,978,021,701.68
  5. Step 5: Solve for x
    x = 10,978,021,701.68/153,011.40
  6. Step 6: Final answer
    x = 71,746.43

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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.