Home / 202,947.03-280,080.93-112,306.83

Finding the Fourth Proportional to 202,947.03, 280,080.93 and 112,306.83

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Solution

The fourth proportional to 202,947.03, 280,080.93 and 112,306.83 is: 154,991.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,947.03 : 280,080.93 = 112,306.83 : x
  2. Step 2: Convert to fraction form
    202,947.03/280,080.93 = 112,306.83/x
  3. Step 3: Cross multiply
    202,947.03x = 280,080.93 × 112,306.83
  4. Step 4: Simplify right side
    202,947.03x = 31,455,001,391.75
  5. Step 5: Solve for x
    x = 31,455,001,391.75/202,947.03
  6. Step 6: Final answer
    x = 154,991.19

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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.