Home / 148,220.64-204,543.36-80,237.76

Finding the Fourth Proportional to 148,220.64, 204,543.36 and 80,237.76

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Solution

The fourth proportional to 148,220.64, 204,543.36 and 80,237.76 is: 110,727.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,220.64 : 204,543.36 = 80,237.76 : x
  2. Step 2: Convert to fraction form
    148,220.64/204,543.36 = 80,237.76/x
  3. Step 3: Cross multiply
    148,220.64x = 204,543.36 × 80,237.76
  4. Step 4: Simplify right side
    148,220.64x = 16,412,101,029.27
  5. Step 5: Solve for x
    x = 16,412,101,029.27/148,220.64
  6. Step 6: Final answer
    x = 110,727.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.