Home / 121,036.90-181,490.55-50,836.90

Finding the Fourth Proportional to 121,036.90, 181,490.55 and 50,836.90

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Solution

The fourth proportional to 121,036.90, 181,490.55 and 50,836.90 is: 76,228.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,036.90 : 181,490.55 = 50,836.90 : x
  2. Step 2: Convert to fraction form
    121,036.90/181,490.55 = 50,836.90/x
  3. Step 3: Cross multiply
    121,036.90x = 181,490.55 × 50,836.90
  4. Step 4: Simplify right side
    121,036.90x = 9,226,416,941.30
  5. Step 5: Solve for x
    x = 9,226,416,941.30/121,036.90
  6. Step 6: Final answer
    x = 76,228.13

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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.