Home / 124,214.04-186,255-91,015.20

Finding the Fourth Proportional to 124,214.04, 186,255 and 91,015.20

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Solution

The fourth proportional to 124,214.04, 186,255 and 91,015.20 is: 136,474.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,214.04 : 186,255 = 91,015.20 : x
  2. Step 2: Convert to fraction form
    124,214.04/186,255 = 91,015.20/x
  3. Step 3: Cross multiply
    124,214.04x = 186,255 × 91,015.20
  4. Step 4: Simplify right side
    124,214.04x = 16,952,036,076
  5. Step 5: Solve for x
    x = 16,952,036,076/124,214.04
  6. Step 6: Final answer
    x = 136,474.40

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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.