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Finding the Fourth Proportional to 170,689.28, 235,495 and 110,295.48

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Solution

The fourth proportional to 170,689.28, 235,495 and 110,295.48 is: 152,171.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,689.28 : 235,495 = 110,295.48 : x
  2. Step 2: Convert to fraction form
    170,689.28/235,495 = 110,295.48/x
  3. Step 3: Cross multiply
    170,689.28x = 235,495 × 110,295.48
  4. Step 4: Simplify right side
    170,689.28x = 25,974,034,062.60
  5. Step 5: Solve for x
    x = 25,974,034,062.60/170,689.28
  6. Step 6: Final answer
    x = 152,171.44

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1.5x scale

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.