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Finding the Fourth Proportional to 170,762.10, 235,541.73 and 103,694.10

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Solution

The fourth proportional to 170,762.10, 235,541.73 and 103,694.10 is: 143,031.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,762.10 : 235,541.73 = 103,694.10 : x
  2. Step 2: Convert to fraction form
    170,762.10/235,541.73 = 103,694.10/x
  3. Step 3: Cross multiply
    170,762.10x = 235,541.73 × 103,694.10
  4. Step 4: Simplify right side
    170,762.10x = 24,424,287,704.79
  5. Step 5: Solve for x
    x = 24,424,287,704.79/170,762.10
  6. Step 6: Final answer
    x = 143,031.08

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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.