Home / 134,788.20-202,109.40-55,910.40

Finding the Fourth Proportional to 134,788.20, 202,109.40 and 55,910.40

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Solution

The fourth proportional to 134,788.20, 202,109.40 and 55,910.40 is: 83,835.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,788.20 : 202,109.40 = 55,910.40 : x
  2. Step 2: Convert to fraction form
    134,788.20/202,109.40 = 55,910.40/x
  3. Step 3: Cross multiply
    134,788.20x = 202,109.40 × 55,910.40
  4. Step 4: Simplify right side
    134,788.20x = 11,300,017,397.76
  5. Step 5: Solve for x
    x = 11,300,017,397.76/134,788.20
  6. Step 6: Final answer
    x = 83,835.36

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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.