Home / 161,834.64-242,744.40-56,677.20

Finding the Fourth Proportional to 161,834.64, 242,744.40 and 56,677.20

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Solution

The fourth proportional to 161,834.64, 242,744.40 and 56,677.20 is: 85,013.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,834.64 : 242,744.40 = 56,677.20 : x
  2. Step 2: Convert to fraction form
    161,834.64/242,744.40 = 56,677.20/x
  3. Step 3: Cross multiply
    161,834.64x = 242,744.40 × 56,677.20
  4. Step 4: Simplify right side
    161,834.64x = 13,758,072,907.68
  5. Step 5: Solve for x
    x = 13,758,072,907.68/161,834.64
  6. Step 6: Final answer
    x = 85,013.15

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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.