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Finding the Fourth Proportional to 105,460.80, 158,089.44 and 35,301.12

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Solution

The fourth proportional to 105,460.80, 158,089.44 and 35,301.12 is: 52,917.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,460.80 : 158,089.44 = 35,301.12 : x
  2. Step 2: Convert to fraction form
    105,460.80/158,089.44 = 35,301.12/x
  3. Step 3: Cross multiply
    105,460.80x = 158,089.44 × 35,301.12
  4. Step 4: Simplify right side
    105,460.80x = 5,580,734,292.17
  5. Step 5: Solve for x
    x = 5,580,734,292.17/105,460.80
  6. Step 6: Final answer
    x = 52,917.62

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1.5x scale

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.