Home / 161,798.45-242,507.05-72,947.93

Finding the Fourth Proportional to 161,798.45, 242,507.05 and 72,947.93

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Solution

The fourth proportional to 161,798.45, 242,507.05 and 72,947.93 is: 109,335.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,798.45 : 242,507.05 = 72,947.93 : x
  2. Step 2: Convert to fraction form
    161,798.45/242,507.05 = 72,947.93/x
  3. Step 3: Cross multiply
    161,798.45x = 242,507.05 × 72,947.93
  4. Step 4: Simplify right side
    161,798.45x = 17,690,385,913.00
  5. Step 5: Solve for x
    x = 17,690,385,913.00/161,798.45
  6. Step 6: Final answer
    x = 109,335.95

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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.