Home / 107,888.28-148,955-69,664.92

Finding the Fourth Proportional to 107,888.28, 148,955 and 69,664.92

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Solution

The fourth proportional to 107,888.28, 148,955 and 69,664.92 is: 96,182.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,888.28 : 148,955 = 69,664.92 : x
  2. Step 2: Convert to fraction form
    107,888.28/148,955 = 69,664.92/x
  3. Step 3: Cross multiply
    107,888.28x = 148,955 × 69,664.92
  4. Step 4: Simplify right side
    107,888.28x = 10,376,938,158.60
  5. Step 5: Solve for x
    x = 10,376,938,158.60/107,888.28
  6. Step 6: Final answer
    x = 96,182.26

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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.