Home / 152,871.57-229,348.03-53,031.60

Finding the Fourth Proportional to 152,871.57, 229,348.03 and 53,031.60

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Solution

The fourth proportional to 152,871.57, 229,348.03 and 53,031.60 is: 79,561.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,871.57 : 229,348.03 = 53,031.60 : x
  2. Step 2: Convert to fraction form
    152,871.57/229,348.03 = 53,031.60/x
  3. Step 3: Cross multiply
    152,871.57x = 229,348.03 × 53,031.60
  4. Step 4: Simplify right side
    152,871.57x = 12,162,693,295.96
  5. Step 5: Solve for x
    x = 12,162,693,295.96/152,871.57
  6. Step 6: Final answer
    x = 79,561.51

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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.