Home / 147,655.60-221,515.32-47,825.84

Finding the Fourth Proportional to 147,655.60, 221,515.32 and 47,825.84

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Solution

The fourth proportional to 147,655.60, 221,515.32 and 47,825.84 is: 71,749.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,655.60 : 221,515.32 = 47,825.84 : x
  2. Step 2: Convert to fraction form
    147,655.60/221,515.32 = 47,825.84/x
  3. Step 3: Cross multiply
    147,655.60x = 221,515.32 × 47,825.84
  4. Step 4: Simplify right side
    147,655.60x = 10,594,156,251.87
  5. Step 5: Solve for x
    x = 10,594,156,251.87/147,655.60
  6. Step 6: Final answer
    x = 71,749.10

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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.