Home / 91,011.25-136,516.88-25,347.25

Finding the Fourth Proportional to 91,011.25, 136,516.88 and 25,347.25

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Solution

The fourth proportional to 91,011.25, 136,516.88 and 25,347.25 is: 38,020.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,011.25 : 136,516.88 = 25,347.25 : x
  2. Step 2: Convert to fraction form
    91,011.25/136,516.88 = 25,347.25/x
  3. Step 3: Cross multiply
    91,011.25x = 136,516.88 × 25,347.25
  4. Step 4: Simplify right side
    91,011.25x = 3,460,327,486.58
  5. Step 5: Solve for x
    x = 3,460,327,486.58/91,011.25
  6. Step 6: Final answer
    x = 38,020.88

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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.