Home / 91,608.27-137,209.39-70,392.14

Finding the Fourth Proportional to 91,608.27, 137,209.39 and 70,392.14

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Solution

The fourth proportional to 91,608.27, 137,209.39 and 70,392.14 is: 105,432.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,608.27 : 137,209.39 = 70,392.14 : x
  2. Step 2: Convert to fraction form
    91,608.27/137,209.39 = 70,392.14/x
  3. Step 3: Cross multiply
    91,608.27x = 137,209.39 × 70,392.14
  4. Step 4: Simplify right side
    91,608.27x = 9,658,462,638.66
  5. Step 5: Solve for x
    x = 9,658,462,638.66/91,608.27
  6. Step 6: Final answer
    x = 105,432.22

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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.