Home / 157,039.05-235,479.73-72,726.69

Finding the Fourth Proportional to 157,039.05, 235,479.73 and 72,726.69

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Solution

The fourth proportional to 157,039.05, 235,479.73 and 72,726.69 is: 109,053.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,039.05 : 235,479.73 = 72,726.69 : x
  2. Step 2: Convert to fraction form
    157,039.05/235,479.73 = 72,726.69/x
  3. Step 3: Cross multiply
    157,039.05x = 235,479.73 × 72,726.69
  4. Step 4: Simplify right side
    157,039.05x = 17,125,661,324.99
  5. Step 5: Solve for x
    x = 17,125,661,324.99/157,039.05
  6. Step 6: Final answer
    x = 109,053.52

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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.