Home / 266,877.93-400,219.83-89,342.76

Finding the Fourth Proportional to 266,877.93, 400,219.83 and 89,342.76

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Solution

The fourth proportional to 266,877.93, 400,219.83 and 89,342.76 is: 133,981.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,877.93 : 400,219.83 = 89,342.76 : x
  2. Step 2: Convert to fraction form
    266,877.93/400,219.83 = 89,342.76/x
  3. Step 3: Cross multiply
    266,877.93x = 400,219.83 × 89,342.76
  4. Step 4: Simplify right side
    266,877.93x = 35,756,744,218.93
  5. Step 5: Solve for x
    x = 35,756,744,218.93/266,877.93
  6. Step 6: Final answer
    x = 133,981.65

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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.