Home / 153,070.40-229,605.60-47,890.28

Finding the Fourth Proportional to 153,070.40, 229,605.60 and 47,890.28

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Solution

The fourth proportional to 153,070.40, 229,605.60 and 47,890.28 is: 71,835.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,070.40 : 229,605.60 = 47,890.28 : x
  2. Step 2: Convert to fraction form
    153,070.40/229,605.60 = 47,890.28/x
  3. Step 3: Cross multiply
    153,070.40x = 229,605.60 × 47,890.28
  4. Step 4: Simplify right side
    153,070.40x = 10,995,876,473.57
  5. Step 5: Solve for x
    x = 10,995,876,473.57/153,070.40
  6. Step 6: Final answer
    x = 71,835.42

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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.