Home / 266,946.12-400,140.20-89,307

Finding the Fourth Proportional to 266,946.12, 400,140.20 and 89,307

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Solution

The fourth proportional to 266,946.12, 400,140.20 and 89,307 is: 133,867.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,946.12 : 400,140.20 = 89,307 : x
  2. Step 2: Convert to fraction form
    266,946.12/400,140.20 = 89,307/x
  3. Step 3: Cross multiply
    266,946.12x = 400,140.20 × 89,307
  4. Step 4: Simplify right side
    266,946.12x = 35,735,320,841.40
  5. Step 5: Solve for x
    x = 35,735,320,841.40/266,946.12
  6. Step 6: Final answer
    x = 133,867.17

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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.