Home / 141,313.12-194,963.01-90,355.69

Finding the Fourth Proportional to 141,313.12, 194,963.01 and 90,355.69

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Solution

The fourth proportional to 141,313.12, 194,963.01 and 90,355.69 is: 124,659.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,313.12 : 194,963.01 = 90,355.69 : x
  2. Step 2: Convert to fraction form
    141,313.12/194,963.01 = 90,355.69/x
  3. Step 3: Cross multiply
    141,313.12x = 194,963.01 × 90,355.69
  4. Step 4: Simplify right side
    141,313.12x = 17,616,017,293.03
  5. Step 5: Solve for x
    x = 17,616,017,293.03/141,313.12
  6. Step 6: Final answer
    x = 124,659.46

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1.5x scale

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.