Home / 147,633.40-221,471.70-47,776.60

Finding the Fourth Proportional to 147,633.40, 221,471.70 and 47,776.60

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Solution

The fourth proportional to 147,633.40, 221,471.70 and 47,776.60 is: 71,671.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,633.40 : 221,471.70 = 47,776.60 : x
  2. Step 2: Convert to fraction form
    147,633.40/221,471.70 = 47,776.60/x
  3. Step 3: Cross multiply
    147,633.40x = 221,471.70 × 47,776.60
  4. Step 4: Simplify right side
    147,633.40x = 10,581,164,822.22
  5. Step 5: Solve for x
    x = 10,581,164,822.22/147,633.40
  6. Step 6: Final answer
    x = 71,671.89

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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.