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Finding the Fourth Proportional to 113,873.40, 170,810.34 and 34,987.08

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Solution

The fourth proportional to 113,873.40, 170,810.34 and 34,987.08 is: 52,480.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,873.40 : 170,810.34 = 34,987.08 : x
  2. Step 2: Convert to fraction form
    113,873.40/170,810.34 = 34,987.08/x
  3. Step 3: Cross multiply
    113,873.40x = 170,810.34 × 34,987.08
  4. Step 4: Simplify right side
    113,873.40x = 5,976,155,030.41
  5. Step 5: Solve for x
    x = 5,976,155,030.41/113,873.40
  6. Step 6: Final answer
    x = 52,480.69

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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.