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Finding the Fourth Proportional to 107,592.75, 148,478.00 and 62,880.75

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Solution

The fourth proportional to 107,592.75, 148,478.00 and 62,880.75 is: 86,775.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,592.75 : 148,478.00 = 62,880.75 : x
  2. Step 2: Convert to fraction form
    107,592.75/148,478.00 = 62,880.75/x
  3. Step 3: Cross multiply
    107,592.75x = 148,478.00 × 62,880.75
  4. Step 4: Simplify right side
    107,592.75x = 9,336,407,684.10
  5. Step 5: Solve for x
    x = 9,336,407,684.10/107,592.75
  6. Step 6: Final answer
    x = 86,775.44

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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.