Home / 112,886.28-155,751.54-88,938.60

Finding the Fourth Proportional to 112,886.28, 155,751.54 and 88,938.60

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Solution

The fourth proportional to 112,886.28, 155,751.54 and 88,938.60 is: 122,710.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,886.28 : 155,751.54 = 88,938.60 : x
  2. Step 2: Convert to fraction form
    112,886.28/155,751.54 = 88,938.60/x
  3. Step 3: Cross multiply
    112,886.28x = 155,751.54 × 88,938.60
  4. Step 4: Simplify right side
    112,886.28x = 13,852,323,915.44
  5. Step 5: Solve for x
    x = 13,852,323,915.44/112,886.28
  6. Step 6: Final answer
    x = 122,710.43

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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.