Home / 161,552.80-242,329.09-72,702.52

Finding the Fourth Proportional to 161,552.80, 242,329.09 and 72,702.52

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Solution

The fourth proportional to 161,552.80, 242,329.09 and 72,702.52 is: 109,053.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,552.80 : 242,329.09 = 72,702.52 : x
  2. Step 2: Convert to fraction form
    161,552.80/242,329.09 = 72,702.52/x
  3. Step 3: Cross multiply
    161,552.80x = 242,329.09 × 72,702.52
  4. Step 4: Simplify right side
    161,552.80x = 17,617,935,512.31
  5. Step 5: Solve for x
    x = 17,617,935,512.31/161,552.80
  6. Step 6: Final answer
    x = 109,053.73

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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.