Home / 181,985.10-272,977.65-156,615.90

Finding the Fourth Proportional to 181,985.10, 272,977.65 and 156,615.90

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Solution

The fourth proportional to 181,985.10, 272,977.65 and 156,615.90 is: 234,923.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,985.10 : 272,977.65 = 156,615.90 : x
  2. Step 2: Convert to fraction form
    181,985.10/272,977.65 = 156,615.90/x
  3. Step 3: Cross multiply
    181,985.10x = 272,977.65 × 156,615.90
  4. Step 4: Simplify right side
    181,985.10x = 42,752,640,334.64
  5. Step 5: Solve for x
    x = 42,752,640,334.64/181,985.10
  6. Step 6: Final answer
    x = 234,923.85

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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.