Home / 240,325.18-360,704.44-128,098.87

Finding the Fourth Proportional to 240,325.18, 360,704.44 and 128,098.87

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Solution

The fourth proportional to 240,325.18, 360,704.44 and 128,098.87 is: 192,263.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,325.18 : 360,704.44 = 128,098.87 : x
  2. Step 2: Convert to fraction form
    240,325.18/360,704.44 = 128,098.87/x
  3. Step 3: Cross multiply
    240,325.18x = 360,704.44 × 128,098.87
  4. Step 4: Simplify right side
    240,325.18x = 46,205,830,426.35
  5. Step 5: Solve for x
    x = 46,205,830,426.35/240,325.18
  6. Step 6: Final answer
    x = 192,263.79

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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.