Home / 111,487.08-153,852.28-63,741.43

Finding the Fourth Proportional to 111,487.08, 153,852.28 and 63,741.43

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Solution

The fourth proportional to 111,487.08, 153,852.28 and 63,741.43 is: 87,963.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,487.08 : 153,852.28 = 63,741.43 : x
  2. Step 2: Convert to fraction form
    111,487.08/153,852.28 = 63,741.43/x
  3. Step 3: Cross multiply
    111,487.08x = 153,852.28 × 63,741.43
  4. Step 4: Simplify right side
    111,487.08x = 9,806,764,017.25
  5. Step 5: Solve for x
    x = 9,806,764,017.25/111,487.08
  6. Step 6: Final answer
    x = 87,963.23

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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.