Home / 147,747.60-221,636.79-47,903.76

Finding the Fourth Proportional to 147,747.60, 221,636.79 and 47,903.76

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Solution

The fourth proportional to 147,747.60, 221,636.79 and 47,903.76 is: 71,860.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,747.60 : 221,636.79 = 47,903.76 : x
  2. Step 2: Convert to fraction form
    147,747.60/221,636.79 = 47,903.76/x
  3. Step 3: Cross multiply
    147,747.60x = 221,636.79 × 47,903.76
  4. Step 4: Simplify right side
    147,747.60x = 10,617,235,595.33
  5. Step 5: Solve for x
    x = 10,617,235,595.33/147,747.60
  6. Step 6: Final answer
    x = 71,860.63

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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.