Home / 77,890.74-116,825.13-25,300.86

Finding the Fourth Proportional to 77,890.74, 116,825.13 and 25,300.86

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Solution

The fourth proportional to 77,890.74, 116,825.13 and 25,300.86 is: 37,947.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,890.74 : 116,825.13 = 25,300.86 : x
  2. Step 2: Convert to fraction form
    77,890.74/116,825.13 = 25,300.86/x
  3. Step 3: Cross multiply
    77,890.74x = 116,825.13 × 25,300.86
  4. Step 4: Simplify right side
    77,890.74x = 2,955,776,258.61
  5. Step 5: Solve for x
    x = 2,955,776,258.61/77,890.74
  6. Step 6: Final answer
    x = 37,947.72

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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.