Home / 203,488.02-280,827.84-112,852.65

Finding the Fourth Proportional to 203,488.02, 280,827.84 and 112,852.65

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Solution

The fourth proportional to 203,488.02, 280,827.84 and 112,852.65 is: 155,744.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,488.02 : 280,827.84 = 112,852.65 : x
  2. Step 2: Convert to fraction form
    203,488.02/280,827.84 = 112,852.65/x
  3. Step 3: Cross multiply
    203,488.02x = 280,827.84 × 112,852.65
  4. Step 4: Simplify right side
    203,488.02x = 31,692,165,937.78
  5. Step 5: Solve for x
    x = 31,692,165,937.78/203,488.02
  6. Step 6: Final answer
    x = 155,744.63

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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.