Home / 107,943.60-161,915.40-34,071.60

Finding the Fourth Proportional to 107,943.60, 161,915.40 and 34,071.60

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Solution

The fourth proportional to 107,943.60, 161,915.40 and 34,071.60 is: 51,107.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,943.60 : 161,915.40 = 34,071.60 : x
  2. Step 2: Convert to fraction form
    107,943.60/161,915.40 = 34,071.60/x
  3. Step 3: Cross multiply
    107,943.60x = 161,915.40 × 34,071.60
  4. Step 4: Simplify right side
    107,943.60x = 5,516,716,742.64
  5. Step 5: Solve for x
    x = 5,516,716,742.64/107,943.60
  6. Step 6: Final answer
    x = 51,107.40

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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.