Home / 239,521.86-330,535.69-130,627.49

Finding the Fourth Proportional to 239,521.86, 330,535.69 and 130,627.49

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Solution

The fourth proportional to 239,521.86, 330,535.69 and 130,627.49 is: 180,263.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,521.86 : 330,535.69 = 130,627.49 : x
  2. Step 2: Convert to fraction form
    239,521.86/330,535.69 = 130,627.49/x
  3. Step 3: Cross multiply
    239,521.86x = 330,535.69 × 130,627.49
  4. Step 4: Simplify right side
    239,521.86x = 43,177,045,560.87
  5. Step 5: Solve for x
    x = 43,177,045,560.87/239,521.86
  6. Step 6: Final answer
    x = 180,263.49

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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.