Home / 105,244.64-157,099.21-91,958.48

Finding the Fourth Proportional to 105,244.64, 157,099.21 and 91,958.48

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Solution

The fourth proportional to 105,244.64, 157,099.21 and 91,958.48 is: 137,266.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,244.64 : 157,099.21 = 91,958.48 : x
  2. Step 2: Convert to fraction form
    105,244.64/157,099.21 = 91,958.48/x
  3. Step 3: Cross multiply
    105,244.64x = 157,099.21 × 91,958.48
  4. Step 4: Simplify right side
    105,244.64x = 14,446,604,101.01
  5. Step 5: Solve for x
    x = 14,446,604,101.01/105,244.64
  6. Step 6: Final answer
    x = 137,266.89

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.