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Finding the Fourth Proportional to 157,055.10, 235,006.65 and 115,583.10

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Solution

The fourth proportional to 157,055.10, 235,006.65 and 115,583.10 is: 172,950.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,055.10 : 235,006.65 = 115,583.10 : x
  2. Step 2: Convert to fraction form
    157,055.10/235,006.65 = 115,583.10/x
  3. Step 3: Cross multiply
    157,055.10x = 235,006.65 × 115,583.10
  4. Step 4: Simplify right side
    157,055.10x = 27,162,797,127.62
  5. Step 5: Solve for x
    x = 27,162,797,127.62/157,055.10
  6. Step 6: Final answer
    x = 172,950.75

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.