Home / 162,146.18-243,054.02-91,877.06

Finding the Fourth Proportional to 162,146.18, 243,054.02 and 91,877.06

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Solution

The fourth proportional to 162,146.18, 243,054.02 and 91,877.06 is: 137,721.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,146.18 : 243,054.02 = 91,877.06 : x
  2. Step 2: Convert to fraction form
    162,146.18/243,054.02 = 91,877.06/x
  3. Step 3: Cross multiply
    162,146.18x = 243,054.02 × 91,877.06
  4. Step 4: Simplify right side
    162,146.18x = 22,331,088,778.78
  5. Step 5: Solve for x
    x = 22,331,088,778.78/162,146.18
  6. Step 6: Final answer
    x = 137,721.95

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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.