Home / 134,622.50-185,780.34-74,195.36

Finding the Fourth Proportional to 134,622.50, 185,780.34 and 74,195.36

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Solution

The fourth proportional to 134,622.50, 185,780.34 and 74,195.36 is: 102,390.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,622.50 : 185,780.34 = 74,195.36 : x
  2. Step 2: Convert to fraction form
    134,622.50/185,780.34 = 74,195.36/x
  3. Step 3: Cross multiply
    134,622.50x = 185,780.34 × 74,195.36
  4. Step 4: Simplify right side
    134,622.50x = 13,784,039,207.22
  5. Step 5: Solve for x
    x = 13,784,039,207.22/134,622.50
  6. Step 6: Final answer
    x = 102,390.31

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1.5x scale

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.