Home / 161,803.07-242,513.98-72,952.55

Finding the Fourth Proportional to 161,803.07, 242,513.98 and 72,952.55

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Solution

The fourth proportional to 161,803.07, 242,513.98 and 72,952.55 is: 109,342.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,803.07 : 242,513.98 = 72,952.55 : x
  2. Step 2: Convert to fraction form
    161,803.07/242,513.98 = 72,952.55/x
  3. Step 3: Cross multiply
    161,803.07x = 242,513.98 × 72,952.55
  4. Step 4: Simplify right side
    161,803.07x = 17,692,013,251.65
  5. Step 5: Solve for x
    x = 17,692,013,251.65/161,803.07
  6. Step 6: Final answer
    x = 109,342.88

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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.