Home / 161,659.75-242,490.06-56,478.70

Finding the Fourth Proportional to 161,659.75, 242,490.06 and 56,478.70

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Solution

The fourth proportional to 161,659.75, 242,490.06 and 56,478.70 is: 84,718.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,659.75 : 242,490.06 = 56,478.70 : x
  2. Step 2: Convert to fraction form
    161,659.75/242,490.06 = 56,478.70/x
  3. Step 3: Cross multiply
    161,659.75x = 242,490.06 × 56,478.70
  4. Step 4: Simplify right side
    161,659.75x = 13,695,523,351.72
  5. Step 5: Solve for x
    x = 13,695,523,351.72/161,659.75
  6. Step 6: Final answer
    x = 84,718.20

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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.