Home / 112,885.28-155,750.16-88,937.60

Finding the Fourth Proportional to 112,885.28, 155,750.16 and 88,937.60

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Solution

The fourth proportional to 112,885.28, 155,750.16 and 88,937.60 is: 122,709.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,885.28 : 155,750.16 = 88,937.60 : x
  2. Step 2: Convert to fraction form
    112,885.28/155,750.16 = 88,937.60/x
  3. Step 3: Cross multiply
    112,885.28x = 155,750.16 × 88,937.60
  4. Step 4: Simplify right side
    112,885.28x = 13,852,045,430.02
  5. Step 5: Solve for x
    x = 13,852,045,430.02/112,885.28
  6. Step 6: Final answer
    x = 122,709.05

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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.