Home / 107,449.71-148,271.92-62,130.62

Finding the Fourth Proportional to 107,449.71, 148,271.92 and 62,130.62

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Solution

The fourth proportional to 107,449.71, 148,271.92 and 62,130.62 is: 85,735.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,449.71 : 148,271.92 = 62,130.62 : x
  2. Step 2: Convert to fraction form
    107,449.71/148,271.92 = 62,130.62/x
  3. Step 3: Cross multiply
    107,449.71x = 148,271.92 × 62,130.62
  4. Step 4: Simplify right side
    107,449.71x = 9,212,226,533.54
  5. Step 5: Solve for x
    x = 9,212,226,533.54/107,449.71
  6. Step 6: Final answer
    x = 85,735.24

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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.