Home / 112,984.38-155,913.12-61,995.96

Finding the Fourth Proportional to 112,984.38, 155,913.12 and 61,995.96

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Solution

The fourth proportional to 112,984.38, 155,913.12 and 61,995.96 is: 85,551.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,984.38 : 155,913.12 = 61,995.96 : x
  2. Step 2: Convert to fraction form
    112,984.38/155,913.12 = 61,995.96/x
  3. Step 3: Cross multiply
    112,984.38x = 155,913.12 × 61,995.96
  4. Step 4: Simplify right side
    112,984.38x = 9,665,983,551.00
  5. Step 5: Solve for x
    x = 9,665,983,551.00/112,984.38
  6. Step 6: Final answer
    x = 85,551.50

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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.