Home / 91,427.04-137,036.46-57,248.79

Finding the Fourth Proportional to 91,427.04, 137,036.46 and 57,248.79

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Solution

The fourth proportional to 91,427.04, 137,036.46 and 57,248.79 is: 85,808.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,427.04 : 137,036.46 = 57,248.79 : x
  2. Step 2: Convert to fraction form
    91,427.04/137,036.46 = 57,248.79/x
  3. Step 3: Cross multiply
    91,427.04x = 137,036.46 × 57,248.79
  4. Step 4: Simplify right side
    91,427.04x = 7,845,171,520.88
  5. Step 5: Solve for x
    x = 7,845,171,520.88/91,427.04
  6. Step 6: Final answer
    x = 85,808.00

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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.