Home / 179,484.18-269,230.59-85,887.06

Finding the Fourth Proportional to 179,484.18, 269,230.59 and 85,887.06

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Solution

The fourth proportional to 179,484.18, 269,230.59 and 85,887.06 is: 128,832.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,484.18 : 269,230.59 = 85,887.06 : x
  2. Step 2: Convert to fraction form
    179,484.18/269,230.59 = 85,887.06/x
  3. Step 3: Cross multiply
    179,484.18x = 269,230.59 × 85,887.06
  4. Step 4: Simplify right side
    179,484.18x = 23,123,423,837.17
  5. Step 5: Solve for x
    x = 23,123,423,837.17/179,484.18
  6. Step 6: Final answer
    x = 128,832.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.