Home / 91,630.36-137,498.40-49,510.56

Finding the Fourth Proportional to 91,630.36, 137,498.40 and 49,510.56

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Solution

The fourth proportional to 91,630.36, 137,498.40 and 49,510.56 is: 74,294.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,630.36 : 137,498.40 = 49,510.56 : x
  2. Step 2: Convert to fraction form
    91,630.36/137,498.40 = 49,510.56/x
  3. Step 3: Cross multiply
    91,630.36x = 137,498.40 × 49,510.56
  4. Step 4: Simplify right side
    91,630.36x = 6,807,622,783.10
  5. Step 5: Solve for x
    x = 6,807,622,783.10/91,630.36
  6. Step 6: Final answer
    x = 74,294.40

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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.