Home / 181,539.02-250,530.78-100,972.38

Finding the Fourth Proportional to 181,539.02, 250,530.78 and 100,972.38

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Solution

The fourth proportional to 181,539.02, 250,530.78 and 100,972.38 is: 139,345.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,539.02 : 250,530.78 = 100,972.38 : x
  2. Step 2: Convert to fraction form
    181,539.02/250,530.78 = 100,972.38/x
  3. Step 3: Cross multiply
    181,539.02x = 250,530.78 × 100,972.38
  4. Step 4: Simplify right side
    181,539.02x = 25,296,689,119.86
  5. Step 5: Solve for x
    x = 25,296,689,119.86/181,539.02
  6. Step 6: Final answer
    x = 139,345.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.