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Finding the Fourth Proportional to 97,162.84, 134,082.18 and 54,718.84

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Solution

The fourth proportional to 97,162.84, 134,082.18 and 54,718.84 is: 75,510.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,162.84 : 134,082.18 = 54,718.84 : x
  2. Step 2: Convert to fraction form
    97,162.84/134,082.18 = 54,718.84/x
  3. Step 3: Cross multiply
    97,162.84x = 134,082.18 × 54,718.84
  4. Step 4: Simplify right side
    97,162.84x = 7,336,821,354.27
  5. Step 5: Solve for x
    x = 7,336,821,354.27/97,162.84
  6. Step 6: Final answer
    x = 75,510.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.