Home / 157,849.77-217,884.59-125,643.47

Finding the Fourth Proportional to 157,849.77, 217,884.59 and 125,643.47

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Solution

The fourth proportional to 157,849.77, 217,884.59 and 125,643.47 is: 173,429.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,849.77 : 217,884.59 = 125,643.47 : x
  2. Step 2: Convert to fraction form
    157,849.77/217,884.59 = 125,643.47/x
  3. Step 3: Cross multiply
    157,849.77x = 217,884.59 × 125,643.47
  4. Step 4: Simplify right side
    157,849.77x = 27,375,775,171.81
  5. Step 5: Solve for x
    x = 27,375,775,171.81/157,849.77
  6. Step 6: Final answer
    x = 173,429.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.