Home / 141,283.04-194,971.92-77,622.16

Finding the Fourth Proportional to 141,283.04, 194,971.92 and 77,622.16

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Solution

The fourth proportional to 141,283.04, 194,971.92 and 77,622.16 is: 107,119.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,283.04 : 194,971.92 = 77,622.16 : x
  2. Step 2: Convert to fraction form
    141,283.04/194,971.92 = 77,622.16/x
  3. Step 3: Cross multiply
    141,283.04x = 194,971.92 × 77,622.16
  4. Step 4: Simplify right side
    141,283.04x = 15,134,141,569.75
  5. Step 5: Solve for x
    x = 15,134,141,569.75/141,283.04
  6. Step 6: Final answer
    x = 107,119.31

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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.