Home / 89,394.46-134,147.06-51,972.14

Finding the Fourth Proportional to 89,394.46, 134,147.06 and 51,972.14

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Solution

The fourth proportional to 89,394.46, 134,147.06 and 51,972.14 is: 77,990.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,394.46 : 134,147.06 = 51,972.14 : x
  2. Step 2: Convert to fraction form
    89,394.46/134,147.06 = 51,972.14/x
  3. Step 3: Cross multiply
    89,394.46x = 134,147.06 × 51,972.14
  4. Step 4: Simplify right side
    89,394.46x = 6,971,909,782.91
  5. Step 5: Solve for x
    x = 6,971,909,782.91/89,394.46
  6. Step 6: Final answer
    x = 77,990.40

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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.