Home / 152,868.40-229,302.60-47,687.20

Finding the Fourth Proportional to 152,868.40, 229,302.60 and 47,687.20

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Solution

The fourth proportional to 152,868.40, 229,302.60 and 47,687.20 is: 71,530.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,868.40 : 229,302.60 = 47,687.20 : x
  2. Step 2: Convert to fraction form
    152,868.40/229,302.60 = 47,687.20/x
  3. Step 3: Cross multiply
    152,868.40x = 229,302.60 × 47,687.20
  4. Step 4: Simplify right side
    152,868.40x = 10,934,798,946.72
  5. Step 5: Solve for x
    x = 10,934,798,946.72/152,868.40
  6. Step 6: Final answer
    x = 71,530.80

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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.