Home / 181,603.20-272,080.80-87,902.40

Finding the Fourth Proportional to 181,603.20, 272,080.80 and 87,902.40

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Solution

The fourth proportional to 181,603.20, 272,080.80 and 87,902.40 is: 131,696.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,603.20 : 272,080.80 = 87,902.40 : x
  2. Step 2: Convert to fraction form
    181,603.20/272,080.80 = 87,902.40/x
  3. Step 3: Cross multiply
    181,603.20x = 272,080.80 × 87,902.40
  4. Step 4: Simplify right side
    181,603.20x = 23,916,555,313.92
  5. Step 5: Solve for x
    x = 23,916,555,313.92/181,603.20
  6. Step 6: Final answer
    x = 131,696.77

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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.