Home / 91,557.40-137,233.70-52,133.40

Finding the Fourth Proportional to 91,557.40, 137,233.70 and 52,133.40

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Solution

The fourth proportional to 91,557.40, 137,233.70 and 52,133.40 is: 78,141.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,557.40 : 137,233.70 = 52,133.40 : x
  2. Step 2: Convert to fraction form
    91,557.40/137,233.70 = 52,133.40/x
  3. Step 3: Cross multiply
    91,557.40x = 137,233.70 × 52,133.40
  4. Step 4: Simplify right side
    91,557.40x = 7,154,459,375.58
  5. Step 5: Solve for x
    x = 7,154,459,375.58/91,557.40
  6. Step 6: Final answer
    x = 78,141.79

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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.