Home / 161,372.80-242,001.60-56,195.20

Finding the Fourth Proportional to 161,372.80, 242,001.60 and 56,195.20

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Solution

The fourth proportional to 161,372.80, 242,001.60 and 56,195.20 is: 84,272.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,372.80 : 242,001.60 = 56,195.20 : x
  2. Step 2: Convert to fraction form
    161,372.80/242,001.60 = 56,195.20/x
  3. Step 3: Cross multiply
    161,372.80x = 242,001.60 × 56,195.20
  4. Step 4: Simplify right side
    161,372.80x = 13,599,328,312.32
  5. Step 5: Solve for x
    x = 13,599,328,312.32/161,372.80
  6. Step 6: Final answer
    x = 84,272.74

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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.