Home / 121,029.68-181,486.92-42,134.24

Finding the Fourth Proportional to 121,029.68, 181,486.92 and 42,134.24

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Solution

The fourth proportional to 121,029.68, 181,486.92 and 42,134.24 is: 63,181.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,029.68 : 181,486.92 = 42,134.24 : x
  2. Step 2: Convert to fraction form
    121,029.68/181,486.92 = 42,134.24/x
  3. Step 3: Cross multiply
    121,029.68x = 181,486.92 × 42,134.24
  4. Step 4: Simplify right side
    121,029.68x = 7,646,813,444.14
  5. Step 5: Solve for x
    x = 7,646,813,444.14/121,029.68
  6. Step 6: Final answer
    x = 63,181.31

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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.