Home / 215,437.16-297,226.34-124,743.62

Finding the Fourth Proportional to 215,437.16, 297,226.34 and 124,743.62

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Solution

The fourth proportional to 215,437.16, 297,226.34 and 124,743.62 is: 172,101.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,437.16 : 297,226.34 = 124,743.62 : x
  2. Step 2: Convert to fraction form
    215,437.16/297,226.34 = 124,743.62/x
  3. Step 3: Cross multiply
    215,437.16x = 297,226.34 × 124,743.62
  4. Step 4: Simplify right side
    215,437.16x = 37,077,089,610.95
  5. Step 5: Solve for x
    x = 37,077,089,610.95/215,437.16
  6. Step 6: Final answer
    x = 172,101.64

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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.