Home / 147,557.30-220,877.76-79,921.34

Finding the Fourth Proportional to 147,557.30, 220,877.76 and 79,921.34

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Solution

The fourth proportional to 147,557.30, 220,877.76 and 79,921.34 is: 119,633.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,557.30 : 220,877.76 = 79,921.34 : x
  2. Step 2: Convert to fraction form
    147,557.30/220,877.76 = 79,921.34/x
  3. Step 3: Cross multiply
    147,557.30x = 220,877.76 × 79,921.34
  4. Step 4: Simplify right side
    147,557.30x = 17,652,846,555.40
  5. Step 5: Solve for x
    x = 17,652,846,555.40/147,557.30
  6. Step 6: Final answer
    x = 119,633.84

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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.