Home / 131,549.52-197,291.45-51,603.74

Finding the Fourth Proportional to 131,549.52, 197,291.45 and 51,603.74

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Solution

The fourth proportional to 131,549.52, 197,291.45 and 51,603.74 is: 77,392.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,549.52 : 197,291.45 = 51,603.74 : x
  2. Step 2: Convert to fraction form
    131,549.52/197,291.45 = 51,603.74/x
  3. Step 3: Cross multiply
    131,549.52x = 197,291.45 × 51,603.74
  4. Step 4: Simplify right side
    131,549.52x = 10,180,975,938.78
  5. Step 5: Solve for x
    x = 10,180,975,938.78/131,549.52
  6. Step 6: Final answer
    x = 77,392.72

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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.