Home / 141,191.04-194,887.36-90,890

Finding the Fourth Proportional to 141,191.04, 194,887.36 and 90,890

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Solution

The fourth proportional to 141,191.04, 194,887.36 and 90,890 is: 125,456.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,191.04 : 194,887.36 = 90,890 : x
  2. Step 2: Convert to fraction form
    141,191.04/194,887.36 = 90,890/x
  3. Step 3: Cross multiply
    141,191.04x = 194,887.36 × 90,890
  4. Step 4: Simplify right side
    141,191.04x = 17,713,312,150.40
  5. Step 5: Solve for x
    x = 17,713,312,150.40/141,191.04
  6. Step 6: Final answer
    x = 125,456.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.