Home / 113,434.02-169,853.76-79,972.92

Finding the Fourth Proportional to 113,434.02, 169,853.76 and 79,972.92

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Solution

The fourth proportional to 113,434.02, 169,853.76 and 79,972.92 is: 119,749.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,434.02 : 169,853.76 = 79,972.92 : x
  2. Step 2: Convert to fraction form
    113,434.02/169,853.76 = 79,972.92/x
  3. Step 3: Cross multiply
    113,434.02x = 169,853.76 × 79,972.92
  4. Step 4: Simplify right side
    113,434.02x = 13,583,701,160.18
  5. Step 5: Solve for x
    x = 13,583,701,160.18/113,434.02
  6. Step 6: Final answer
    x = 119,749.80

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1.5x scale

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.