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Finding the Fourth Proportional to 146,806.16, 202,592.58 and 79,738.16

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Solution

The fourth proportional to 146,806.16, 202,592.58 and 79,738.16 is: 110,038.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,806.16 : 202,592.58 = 79,738.16 : x
  2. Step 2: Convert to fraction form
    146,806.16/202,592.58 = 79,738.16/x
  3. Step 3: Cross multiply
    146,806.16x = 202,592.58 × 79,738.16
  4. Step 4: Simplify right side
    146,806.16x = 16,154,359,558.85
  5. Step 5: Solve for x
    x = 16,154,359,558.85/146,806.16
  6. Step 6: Final answer
    x = 110,038.70

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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.