Home / 153,053.40-229,580.16-47,872.80

Finding the Fourth Proportional to 153,053.40, 229,580.16 and 47,872.80

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Solution

The fourth proportional to 153,053.40, 229,580.16 and 47,872.80 is: 71,809.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,053.40 : 229,580.16 = 47,872.80 : x
  2. Step 2: Convert to fraction form
    153,053.40/229,580.16 = 47,872.80/x
  3. Step 3: Cross multiply
    153,053.40x = 229,580.16 × 47,872.80
  4. Step 4: Simplify right side
    153,053.40x = 10,990,645,083.65
  5. Step 5: Solve for x
    x = 10,990,645,083.65/153,053.40
  6. Step 6: Final answer
    x = 71,809.22

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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.