Home / 239,139.47-358,584.65-89,256.50

Finding the Fourth Proportional to 239,139.47, 358,584.65 and 89,256.50

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Solution

The fourth proportional to 239,139.47, 358,584.65 and 89,256.50 is: 133,838.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,139.47 : 358,584.65 = 89,256.50 : x
  2. Step 2: Convert to fraction form
    239,139.47/358,584.65 = 89,256.50/x
  3. Step 3: Cross multiply
    239,139.47x = 358,584.65 × 89,256.50
  4. Step 4: Simplify right side
    239,139.47x = 32,006,010,754.99
  5. Step 5: Solve for x
    x = 32,006,010,754.99/239,139.47
  6. Step 6: Final answer
    x = 133,838.26

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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.