Home / 111,527.20-153,902.24-63,131.32

Finding the Fourth Proportional to 111,527.20, 153,902.24 and 63,131.32

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Solution

The fourth proportional to 111,527.20, 153,902.24 and 63,131.32 is: 87,118.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,527.20 : 153,902.24 = 63,131.32 : x
  2. Step 2: Convert to fraction form
    111,527.20/153,902.24 = 63,131.32/x
  3. Step 3: Cross multiply
    111,527.20x = 153,902.24 × 63,131.32
  4. Step 4: Simplify right side
    111,527.20x = 9,716,050,792.65
  5. Step 5: Solve for x
    x = 9,716,050,792.65/111,527.20
  6. Step 6: Final answer
    x = 87,118.22

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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.