Home / 112,287.49-154,959.56-63,886.75

Finding the Fourth Proportional to 112,287.49, 154,959.56 and 63,886.75

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Solution

The fourth proportional to 112,287.49, 154,959.56 and 63,886.75 is: 88,165.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,287.49 : 154,959.56 = 63,886.75 : x
  2. Step 2: Convert to fraction form
    112,287.49/154,959.56 = 63,886.75/x
  3. Step 3: Cross multiply
    112,287.49x = 154,959.56 × 63,886.75
  4. Step 4: Simplify right side
    112,287.49x = 9,899,862,669.83
  5. Step 5: Solve for x
    x = 9,899,862,669.83/112,287.49
  6. Step 6: Final answer
    x = 88,165.32

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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.