Home / 120,732.56-181,025.02-57,572.00

Finding the Fourth Proportional to 120,732.56, 181,025.02 and 57,572.00

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Solution

The fourth proportional to 120,732.56, 181,025.02 and 57,572.00 is: 86,322.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,732.56 : 181,025.02 = 57,572.00 : x
  2. Step 2: Convert to fraction form
    120,732.56/181,025.02 = 57,572.00/x
  3. Step 3: Cross multiply
    120,732.56x = 181,025.02 × 57,572.00
  4. Step 4: Simplify right side
    120,732.56x = 10,421,971,618.28
  5. Step 5: Solve for x
    x = 10,421,971,618.28/120,732.56
  6. Step 6: Final answer
    x = 86,322.80

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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.