Home / 154,567.16-213,304.90-90,034.75

Finding the Fourth Proportional to 154,567.16, 213,304.90 and 90,034.75

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Solution

The fourth proportional to 154,567.16, 213,304.90 and 90,034.75 is: 124,249.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,567.16 : 213,304.90 = 90,034.75 : x
  2. Step 2: Convert to fraction form
    154,567.16/213,304.90 = 90,034.75/x
  3. Step 3: Cross multiply
    154,567.16x = 213,304.90 × 90,034.75
  4. Step 4: Simplify right side
    154,567.16x = 19,204,853,345.28
  5. Step 5: Solve for x
    x = 19,204,853,345.28/154,567.16
  6. Step 6: Final answer
    x = 124,249.25

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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.