Home / 91,737.68-137,606.64-25,178.72

Finding the Fourth Proportional to 91,737.68, 137,606.64 and 25,178.72

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Solution

The fourth proportional to 91,737.68, 137,606.64 and 25,178.72 is: 37,768.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,737.68 : 137,606.64 = 25,178.72 : x
  2. Step 2: Convert to fraction form
    91,737.68/137,606.64 = 25,178.72/x
  3. Step 3: Cross multiply
    91,737.68x = 137,606.64 × 25,178.72
  4. Step 4: Simplify right side
    91,737.68x = 3,464,759,058.70
  5. Step 5: Solve for x
    x = 3,464,759,058.70/91,737.68
  6. Step 6: Final answer
    x = 37,768.11

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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.