Home / 124,427.40-186,641.10-92,934.60

Finding the Fourth Proportional to 124,427.40, 186,641.10 and 92,934.60

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Solution

The fourth proportional to 124,427.40, 186,641.10 and 92,934.60 is: 139,401.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,427.40 : 186,641.10 = 92,934.60 : x
  2. Step 2: Convert to fraction form
    124,427.40/186,641.10 = 92,934.60/x
  3. Step 3: Cross multiply
    124,427.40x = 186,641.10 × 92,934.60
  4. Step 4: Simplify right side
    124,427.40x = 17,345,415,972.06
  5. Step 5: Solve for x
    x = 17,345,415,972.06/124,427.40
  6. Step 6: Final answer
    x = 139,401.90

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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.