Home / 121,029.12-181,488.60-50,870.16

Finding the Fourth Proportional to 121,029.12, 181,488.60 and 50,870.16

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Solution

The fourth proportional to 121,029.12, 181,488.60 and 50,870.16 is: 76,282.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,029.12 : 181,488.60 = 50,870.16 : x
  2. Step 2: Convert to fraction form
    121,029.12/181,488.60 = 50,870.16/x
  3. Step 3: Cross multiply
    121,029.12x = 181,488.60 × 50,870.16
  4. Step 4: Simplify right side
    121,029.12x = 9,232,354,120.18
  5. Step 5: Solve for x
    x = 9,232,354,120.18/121,029.12
  6. Step 6: Final answer
    x = 76,282.09

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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.