Home / 240,161.52-360,187.20-90,417.36

Finding the Fourth Proportional to 240,161.52, 360,187.20 and 90,417.36

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Solution

The fourth proportional to 240,161.52, 360,187.20 and 90,417.36 is: 135,605.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,161.52 : 360,187.20 = 90,417.36 : x
  2. Step 2: Convert to fraction form
    240,161.52/360,187.20 = 90,417.36/x
  3. Step 3: Cross multiply
    240,161.52x = 360,187.20 × 90,417.36
  4. Step 4: Simplify right side
    240,161.52x = 32,567,175,729.79
  5. Step 5: Solve for x
    x = 32,567,175,729.79/240,161.52
  6. Step 6: Final answer
    x = 135,605.30

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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.