Home / 112,032.50-154,604.70-61,731.50

Finding the Fourth Proportional to 112,032.50, 154,604.70 and 61,731.50

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Solution

The fourth proportional to 112,032.50, 154,604.70 and 61,731.50 is: 85,189.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,032.50 : 154,604.70 = 61,731.50 : x
  2. Step 2: Convert to fraction form
    112,032.50/154,604.70 = 61,731.50/x
  3. Step 3: Cross multiply
    112,032.50x = 154,604.70 × 61,731.50
  4. Step 4: Simplify right side
    112,032.50x = 9,543,979,265.03
  5. Step 5: Solve for x
    x = 9,543,979,265.03/112,032.50
  6. Step 6: Final answer
    x = 85,189.38

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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.