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Finding the Fourth Proportional to 161,504.80, 242,224.80 and 77,264.80

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Solution

The fourth proportional to 161,504.80, 242,224.80 and 77,264.80 is: 115,881.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,504.80 : 242,224.80 = 77,264.80 : x
  2. Step 2: Convert to fraction form
    161,504.80/242,224.80 = 77,264.80/x
  3. Step 3: Cross multiply
    161,504.80x = 242,224.80 × 77,264.80
  4. Step 4: Simplify right side
    161,504.80x = 18,715,450,727.04
  5. Step 5: Solve for x
    x = 18,715,450,727.04/161,504.80
  6. Step 6: Final answer
    x = 115,881.70

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1.5x scale

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.