Home / 98,760.91-136,289.03-53,437.89

Finding the Fourth Proportional to 98,760.91, 136,289.03 and 53,437.89

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Solution

The fourth proportional to 98,760.91, 136,289.03 and 53,437.89 is: 73,743.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,760.91 : 136,289.03 = 53,437.89 : x
  2. Step 2: Convert to fraction form
    98,760.91/136,289.03 = 53,437.89/x
  3. Step 3: Cross multiply
    98,760.91x = 136,289.03 × 53,437.89
  4. Step 4: Simplify right side
    98,760.91x = 7,282,998,126.55
  5. Step 5: Solve for x
    x = 7,282,998,126.55/98,760.91
  6. Step 6: Final answer
    x = 73,743.73

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1.5x scale

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.