Home / 185,277.02-255,681.90-100,393.88

Finding the Fourth Proportional to 185,277.02, 255,681.90 and 100,393.88

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Solution

The fourth proportional to 185,277.02, 255,681.90 and 100,393.88 is: 138,543.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,277.02 : 255,681.90 = 100,393.88 : x
  2. Step 2: Convert to fraction form
    185,277.02/255,681.90 = 100,393.88/x
  3. Step 3: Cross multiply
    185,277.02x = 255,681.90 × 100,393.88
  4. Step 4: Simplify right side
    185,277.02x = 25,668,896,708.36
  5. Step 5: Solve for x
    x = 25,668,896,708.36/185,277.02
  6. Step 6: Final answer
    x = 138,543.34

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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.