Home / 157,111.84-235,704.66-51,930.80

Finding the Fourth Proportional to 157,111.84, 235,704.66 and 51,930.80

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Solution

The fourth proportional to 157,111.84, 235,704.66 and 51,930.80 is: 77,908.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,111.84 : 235,704.66 = 51,930.80 : x
  2. Step 2: Convert to fraction form
    157,111.84/235,704.66 = 51,930.80/x
  3. Step 3: Cross multiply
    157,111.84x = 235,704.66 × 51,930.80
  4. Step 4: Simplify right side
    157,111.84x = 12,240,331,557.53
  5. Step 5: Solve for x
    x = 12,240,331,557.53/157,111.84
  6. Step 6: Final answer
    x = 77,908.40

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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.