Home / 89,214.12-133,843.68-62,970.12

Finding the Fourth Proportional to 89,214.12, 133,843.68 and 62,970.12

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Solution

The fourth proportional to 89,214.12, 133,843.68 and 62,970.12 is: 94,471.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,214.12 : 133,843.68 = 62,970.12 : x
  2. Step 2: Convert to fraction form
    89,214.12/133,843.68 = 62,970.12/x
  3. Step 3: Cross multiply
    89,214.12x = 133,843.68 × 62,970.12
  4. Step 4: Simplify right side
    89,214.12x = 8,428,152,590.84
  5. Step 5: Solve for x
    x = 8,428,152,590.84/89,214.12
  6. Step 6: Final answer
    x = 94,471.06

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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.