Home / 205,890.02-284,115.08-115,230.72

Finding the Fourth Proportional to 205,890.02, 284,115.08 and 115,230.72

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Solution

The fourth proportional to 205,890.02, 284,115.08 and 115,230.72 is: 159,011.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,890.02 : 284,115.08 = 115,230.72 : x
  2. Step 2: Convert to fraction form
    205,890.02/284,115.08 = 115,230.72/x
  3. Step 3: Cross multiply
    205,890.02x = 284,115.08 × 115,230.72
  4. Step 4: Simplify right side
    205,890.02x = 32,738,785,231.26
  5. Step 5: Solve for x
    x = 32,738,785,231.26/205,890.02
  6. Step 6: Final answer
    x = 159,011.04

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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.