Home / 181,602.30-272,403.45-131,447.10

Finding the Fourth Proportional to 181,602.30, 272,403.45 and 131,447.10

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Solution

The fourth proportional to 181,602.30, 272,403.45 and 131,447.10 is: 197,170.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,602.30 : 272,403.45 = 131,447.10 : x
  2. Step 2: Convert to fraction form
    181,602.30/272,403.45 = 131,447.10/x
  3. Step 3: Cross multiply
    181,602.30x = 272,403.45 × 131,447.10
  4. Step 4: Simplify right side
    181,602.30x = 35,806,643,532.50
  5. Step 5: Solve for x
    x = 35,806,643,532.50/181,602.30
  6. Step 6: Final answer
    x = 197,170.65

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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.