Home / 239,941.15-359,634.93-90,085.86

Finding the Fourth Proportional to 239,941.15, 359,634.93 and 90,085.86

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Solution

The fourth proportional to 239,941.15, 359,634.93 and 90,085.86 is: 135,024.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,941.15 : 359,634.93 = 90,085.86 : x
  2. Step 2: Convert to fraction form
    239,941.15/359,634.93 = 90,085.86/x
  3. Step 3: Cross multiply
    239,941.15x = 359,634.93 × 90,085.86
  4. Step 4: Simplify right side
    239,941.15x = 32,398,021,955.09
  5. Step 5: Solve for x
    x = 32,398,021,955.09/239,941.15
  6. Step 6: Final answer
    x = 135,024.87

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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.