Home / 112,759.90-155,549.66-69,725.63

Finding the Fourth Proportional to 112,759.90, 155,549.66 and 69,725.63

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Solution

The fourth proportional to 112,759.90, 155,549.66 and 69,725.63 is: 96,184.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,759.90 : 155,549.66 = 69,725.63 : x
  2. Step 2: Convert to fraction form
    112,759.90/155,549.66 = 69,725.63/x
  3. Step 3: Cross multiply
    112,759.90x = 155,549.66 × 69,725.63
  4. Step 4: Simplify right side
    112,759.90x = 10,845,798,602.97
  5. Step 5: Solve for x
    x = 10,845,798,602.97/112,759.90
  6. Step 6: Final answer
    x = 96,184.89

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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.