Home / 114,289.20-157,714.56-63,987.12

Finding the Fourth Proportional to 114,289.20, 157,714.56 and 63,987.12

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Solution

The fourth proportional to 114,289.20, 157,714.56 and 63,987.12 is: 88,299.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,289.20 : 157,714.56 = 63,987.12 : x
  2. Step 2: Convert to fraction form
    114,289.20/157,714.56 = 63,987.12/x
  3. Step 3: Cross multiply
    114,289.20x = 157,714.56 × 63,987.12
  4. Step 4: Simplify right side
    114,289.20x = 10,091,700,476.47
  5. Step 5: Solve for x
    x = 10,091,700,476.47/114,289.20
  6. Step 6: Final answer
    x = 88,299.69

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1.5x scale

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.