Home / 239,746.91-359,580.28-87,912.62

Finding the Fourth Proportional to 239,746.91, 359,580.28 and 87,912.62

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Solution

The fourth proportional to 239,746.91, 359,580.28 and 87,912.62 is: 131,854.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,746.91 : 359,580.28 = 87,912.62 : x
  2. Step 2: Convert to fraction form
    239,746.91/359,580.28 = 87,912.62/x
  3. Step 3: Cross multiply
    239,746.91x = 359,580.28 × 87,912.62
  4. Step 4: Simplify right side
    239,746.91x = 31,611,642,628.51
  5. Step 5: Solve for x
    x = 31,611,642,628.51/239,746.91
  6. Step 6: Final answer
    x = 131,854.22

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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.