Home / 134,433.60-185,392.17-83,454.36

Finding the Fourth Proportional to 134,433.60, 185,392.17 and 83,454.36

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Solution

The fourth proportional to 134,433.60, 185,392.17 and 83,454.36 is: 115,088.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,433.60 : 185,392.17 = 83,454.36 : x
  2. Step 2: Convert to fraction form
    134,433.60/185,392.17 = 83,454.36/x
  3. Step 3: Cross multiply
    134,433.60x = 185,392.17 × 83,454.36
  4. Step 4: Simplify right side
    134,433.60x = 15,471,784,896.36
  5. Step 5: Solve for x
    x = 15,471,784,896.36/134,433.60
  6. Step 6: Final answer
    x = 115,088.67

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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.