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Finding the Fourth Proportional to 170,410.60, 235,167.42 and 97,807.60

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Solution

The fourth proportional to 170,410.60, 235,167.42 and 97,807.60 is: 134,974.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,410.60 : 235,167.42 = 97,807.60 : x
  2. Step 2: Convert to fraction form
    170,410.60/235,167.42 = 97,807.60/x
  3. Step 3: Cross multiply
    170,410.60x = 235,167.42 × 97,807.60
  4. Step 4: Simplify right side
    170,410.60x = 23,001,160,948.39
  5. Step 5: Solve for x
    x = 23,001,160,948.39/170,410.60
  6. Step 6: Final answer
    x = 134,974.94

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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.