Home / 239,829.32-359,763.05-139,999.59

Finding the Fourth Proportional to 239,829.32, 359,763.05 and 139,999.59

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Solution

The fourth proportional to 239,829.32, 359,763.05 and 139,999.59 is: 210,010.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,829.32 : 359,763.05 = 139,999.59 : x
  2. Step 2: Convert to fraction form
    239,829.32/359,763.05 = 139,999.59/x
  3. Step 3: Cross multiply
    239,829.32x = 359,763.05 × 139,999.59
  4. Step 4: Simplify right side
    239,829.32x = 50,366,679,847.15
  5. Step 5: Solve for x
    x = 50,366,679,847.15/239,829.32
  6. Step 6: Final answer
    x = 210,010.52

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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.