Home / 240,123.32-359,934.64-90,260.36

Finding the Fourth Proportional to 240,123.32, 359,934.64 and 90,260.36

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Solution

The fourth proportional to 240,123.32, 359,934.64 and 90,260.36 is: 135,296.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,123.32 : 359,934.64 = 90,260.36 : x
  2. Step 2: Convert to fraction form
    240,123.32/359,934.64 = 90,260.36/x
  3. Step 3: Cross multiply
    240,123.32x = 359,934.64 × 90,260.36
  4. Step 4: Simplify right side
    240,123.32x = 32,487,830,182.87
  5. Step 5: Solve for x
    x = 32,487,830,182.87/240,123.32
  6. Step 6: Final answer
    x = 135,296.44

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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.