Home / 181,421.42-272,165.03-74,746.13

Finding the Fourth Proportional to 181,421.42, 272,165.03 and 74,746.13

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Solution

The fourth proportional to 181,421.42, 272,165.03 and 74,746.13 is: 112,132.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,421.42 : 272,165.03 = 74,746.13 : x
  2. Step 2: Convert to fraction form
    181,421.42/272,165.03 = 74,746.13/x
  3. Step 3: Cross multiply
    181,421.42x = 272,165.03 × 74,746.13
  4. Step 4: Simplify right side
    181,421.42x = 20,343,283,020.52
  5. Step 5: Solve for x
    x = 20,343,283,020.52/181,421.42
  6. Step 6: Final answer
    x = 112,132.75

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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.