Home / 203,154.02-280,259.48-131,557.10

Finding the Fourth Proportional to 203,154.02, 280,259.48 and 131,557.10

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Solution

The fourth proportional to 203,154.02, 280,259.48 and 131,557.10 is: 181,488.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,154.02 : 280,259.48 = 131,557.10 : x
  2. Step 2: Convert to fraction form
    203,154.02/280,259.48 = 131,557.10/x
  3. Step 3: Cross multiply
    203,154.02x = 280,259.48 × 131,557.10
  4. Step 4: Simplify right side
    203,154.02x = 36,870,122,377.23
  5. Step 5: Solve for x
    x = 36,870,122,377.23/203,154.02
  6. Step 6: Final answer
    x = 181,488.52

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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.