Home / 239,943.16-359,637.93-90,087.86

Finding the Fourth Proportional to 239,943.16, 359,637.93 and 90,087.86

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Solution

The fourth proportional to 239,943.16, 359,637.93 and 90,087.86 is: 135,027.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,943.16 : 359,637.93 = 90,087.86 : x
  2. Step 2: Convert to fraction form
    239,943.16/359,637.93 = 90,087.86/x
  3. Step 3: Cross multiply
    239,943.16x = 359,637.93 × 90,087.86
  4. Step 4: Simplify right side
    239,943.16x = 32,399,011,488.53
  5. Step 5: Solve for x
    x = 32,399,011,488.53/239,943.16
  6. Step 6: Final answer
    x = 135,027.86

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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.