Home / 147,112.70-220,669.05-53,606.30

Finding the Fourth Proportional to 147,112.70, 220,669.05 and 53,606.30

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Solution

The fourth proportional to 147,112.70, 220,669.05 and 53,606.30 is: 80,409.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,112.70 : 220,669.05 = 53,606.30 : x
  2. Step 2: Convert to fraction form
    147,112.70/220,669.05 = 53,606.30/x
  3. Step 3: Cross multiply
    147,112.70x = 220,669.05 × 53,606.30
  4. Step 4: Simplify right side
    147,112.70x = 11,829,251,295.02
  5. Step 5: Solve for x
    x = 11,829,251,295.02/147,112.70
  6. Step 6: Final answer
    x = 80,409.45

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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.