Home / 141,948.48-195,880.56-81,506.16

Finding the Fourth Proportional to 141,948.48, 195,880.56 and 81,506.16

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Solution

The fourth proportional to 141,948.48, 195,880.56 and 81,506.16 is: 112,473.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,948.48 : 195,880.56 = 81,506.16 : x
  2. Step 2: Convert to fraction form
    141,948.48/195,880.56 = 81,506.16/x
  3. Step 3: Cross multiply
    141,948.48x = 195,880.56 × 81,506.16
  4. Step 4: Simplify right side
    141,948.48x = 15,965,472,264.25
  5. Step 5: Solve for x
    x = 15,965,472,264.25/141,948.48
  6. Step 6: Final answer
    x = 112,473.71

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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.