Home / 147,055.12-220,582.72-36,247.12

Finding the Fourth Proportional to 147,055.12, 220,582.72 and 36,247.12

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Solution

The fourth proportional to 147,055.12, 220,582.72 and 36,247.12 is: 54,370.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,055.12 : 220,582.72 = 36,247.12 : x
  2. Step 2: Convert to fraction form
    147,055.12/220,582.72 = 36,247.12/x
  3. Step 3: Cross multiply
    147,055.12x = 220,582.72 × 36,247.12
  4. Step 4: Simplify right side
    147,055.12x = 7,995,488,321.77
  5. Step 5: Solve for x
    x = 7,995,488,321.77/147,055.12
  6. Step 6: Final answer
    x = 54,370.69

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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.