Home / 136,253.28-204,421.54-69,740.54

Finding the Fourth Proportional to 136,253.28, 204,421.54 and 69,740.54

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Solution

The fourth proportional to 136,253.28, 204,421.54 and 69,740.54 is: 104,632.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,253.28 : 204,421.54 = 69,740.54 : x
  2. Step 2: Convert to fraction form
    136,253.28/204,421.54 = 69,740.54/x
  3. Step 3: Cross multiply
    136,253.28x = 204,421.54 × 69,740.54
  4. Step 4: Simplify right side
    136,253.28x = 14,256,468,587.23
  5. Step 5: Solve for x
    x = 14,256,468,587.23/136,253.28
  6. Step 6: Final answer
    x = 104,632.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.