Home / 98,275.20-135,606.08-55,248.81

Finding the Fourth Proportional to 98,275.20, 135,606.08 and 55,248.81

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Solution

The fourth proportional to 98,275.20, 135,606.08 and 55,248.81 is: 76,235.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,275.20 : 135,606.08 = 55,248.81 : x
  2. Step 2: Convert to fraction form
    98,275.20/135,606.08 = 55,248.81/x
  3. Step 3: Cross multiply
    98,275.20x = 135,606.08 × 55,248.81
  4. Step 4: Simplify right side
    98,275.20x = 7,492,074,272.52
  5. Step 5: Solve for x
    x = 7,492,074,272.52/98,275.20
  6. Step 6: Final answer
    x = 76,235.66

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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.