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Finding the Fourth Proportional to 157,277.19, 235,916.19 and 73,026.66

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Solution

The fourth proportional to 157,277.19, 235,916.19 and 73,026.66 is: 109,540.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,277.19 : 235,916.19 = 73,026.66 : x
  2. Step 2: Convert to fraction form
    157,277.19/235,916.19 = 73,026.66/x
  3. Step 3: Cross multiply
    157,277.19x = 235,916.19 × 73,026.66
  4. Step 4: Simplify right side
    157,277.19x = 17,228,171,395.63
  5. Step 5: Solve for x
    x = 17,228,171,395.63/157,277.19
  6. Step 6: Final answer
    x = 109,540.18

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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.