Home / 157,434.69-235,983.66-89,821.04

Finding the Fourth Proportional to 157,434.69, 235,983.66 and 89,821.04

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Solution

The fourth proportional to 157,434.69, 235,983.66 and 89,821.04 is: 134,635.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,434.69 : 235,983.66 = 89,821.04 : x
  2. Step 2: Convert to fraction form
    157,434.69/235,983.66 = 89,821.04/x
  3. Step 3: Cross multiply
    157,434.69x = 235,983.66 × 89,821.04
  4. Step 4: Simplify right side
    157,434.69x = 21,196,296,584.29
  5. Step 5: Solve for x
    x = 21,196,296,584.29/157,434.69
  6. Step 6: Final answer
    x = 134,635.49

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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.