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Finding the Fourth Proportional to 100,551.16, 150,775.08 and 53,191.72

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Solution

The fourth proportional to 100,551.16, 150,775.08 and 53,191.72 is: 79,760.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,551.16 : 150,775.08 = 53,191.72 : x
  2. Step 2: Convert to fraction form
    100,551.16/150,775.08 = 53,191.72/x
  3. Step 3: Cross multiply
    100,551.16x = 150,775.08 × 53,191.72
  4. Step 4: Simplify right side
    100,551.16x = 8,019,985,838.34
  5. Step 5: Solve for x
    x = 8,019,985,838.34/100,551.16
  6. Step 6: Final answer
    x = 79,760.25

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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.