Home / 202,039.60-278,808.56-110,155.36

Finding the Fourth Proportional to 202,039.60, 278,808.56 and 110,155.36

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Solution

The fourth proportional to 202,039.60, 278,808.56 and 110,155.36 is: 152,011.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,039.60 : 278,808.56 = 110,155.36 : x
  2. Step 2: Convert to fraction form
    202,039.60/278,808.56 = 110,155.36/x
  3. Step 3: Cross multiply
    202,039.60x = 278,808.56 × 110,155.36
  4. Step 4: Simplify right side
    202,039.60x = 30,712,257,297.88
  5. Step 5: Solve for x
    x = 30,712,257,297.88/202,039.60
  6. Step 6: Final answer
    x = 152,011.08

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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.