Home / 157,394.51-236,005.19-107,530.91

Finding the Fourth Proportional to 157,394.51, 236,005.19 and 107,530.91

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Solution

The fourth proportional to 157,394.51, 236,005.19 and 107,530.91 is: 161,237.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,394.51 : 236,005.19 = 107,530.91 : x
  2. Step 2: Convert to fraction form
    157,394.51/236,005.19 = 107,530.91/x
  3. Step 3: Cross multiply
    157,394.51x = 236,005.19 × 107,530.91
  4. Step 4: Simplify right side
    157,394.51x = 25,377,851,127.74
  5. Step 5: Solve for x
    x = 25,377,851,127.74/157,394.51
  6. Step 6: Final answer
    x = 161,237.21

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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.