Home / 91,721.64-137,582.62-25,162.68

Finding the Fourth Proportional to 91,721.64, 137,582.62 and 25,162.68

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Solution

The fourth proportional to 91,721.64, 137,582.62 and 25,162.68 is: 37,744.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,721.64 : 137,582.62 = 25,162.68 : x
  2. Step 2: Convert to fraction form
    91,721.64/137,582.62 = 25,162.68/x
  3. Step 3: Cross multiply
    91,721.64x = 137,582.62 × 25,162.68
  4. Step 4: Simplify right side
    91,721.64x = 3,461,947,440.62
  5. Step 5: Solve for x
    x = 3,461,947,440.62/91,721.64
  6. Step 6: Final answer
    x = 37,744.06

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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.