Home / 181,130.40-271,987.20-136,807.20

Finding the Fourth Proportional to 181,130.40, 271,987.20 and 136,807.20

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Solution

The fourth proportional to 181,130.40, 271,987.20 and 136,807.20 is: 205,431.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,130.40 : 271,987.20 = 136,807.20 : x
  2. Step 2: Convert to fraction form
    181,130.40/271,987.20 = 136,807.20/x
  3. Step 3: Cross multiply
    181,130.40x = 271,987.20 × 136,807.20
  4. Step 4: Simplify right side
    181,130.40x = 37,209,807,267.84
  5. Step 5: Solve for x
    x = 37,209,807,267.84/181,130.40
  6. Step 6: Final answer
    x = 205,431.04

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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.