Home / 114,287.04-157,707.36-63,979.20

Finding the Fourth Proportional to 114,287.04, 157,707.36 and 63,979.20

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Solution

The fourth proportional to 114,287.04, 157,707.36 and 63,979.20 is: 88,286.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,287.04 : 157,707.36 = 63,979.20 : x
  2. Step 2: Convert to fraction form
    114,287.04/157,707.36 = 63,979.20/x
  3. Step 3: Cross multiply
    114,287.04x = 157,707.36 × 63,979.20
  4. Step 4: Simplify right side
    114,287.04x = 10,089,990,726.91
  5. Step 5: Solve for x
    x = 10,089,990,726.91/114,287.04
  6. Step 6: Final answer
    x = 88,286.39

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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.