Home / 91,870.20-137,805.93-25,313.94

Finding the Fourth Proportional to 91,870.20, 137,805.93 and 25,313.94

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Solution

The fourth proportional to 91,870.20, 137,805.93 and 25,313.94 is: 37,971.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,870.20 : 137,805.93 = 25,313.94 : x
  2. Step 2: Convert to fraction form
    91,870.20/137,805.93 = 25,313.94/x
  3. Step 3: Cross multiply
    91,870.20x = 137,805.93 × 25,313.94
  4. Step 4: Simplify right side
    91,870.20x = 3,488,411,043.66
  5. Step 5: Solve for x
    x = 3,488,411,043.66/91,870.20
  6. Step 6: Final answer
    x = 37,971.08

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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.