Home / 207,726.48-286,668.12-127,152.52

Finding the Fourth Proportional to 207,726.48, 286,668.12 and 127,152.52

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Solution

The fourth proportional to 207,726.48, 286,668.12 and 127,152.52 is: 175,473.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,726.48 : 286,668.12 = 127,152.52 : x
  2. Step 2: Convert to fraction form
    207,726.48/286,668.12 = 127,152.52/x
  3. Step 3: Cross multiply
    207,726.48x = 286,668.12 × 127,152.52
  4. Step 4: Simplify right side
    207,726.48x = 36,450,573,861.66
  5. Step 5: Solve for x
    x = 36,450,573,861.66/207,726.48
  6. Step 6: Final answer
    x = 175,473.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.