Home / 134,290.83-185,315.60-73,857.57

Finding the Fourth Proportional to 134,290.83, 185,315.60 and 73,857.57

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Solution

The fourth proportional to 134,290.83, 185,315.60 and 73,857.57 is: 101,920.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,290.83 : 185,315.60 = 73,857.57 : x
  2. Step 2: Convert to fraction form
    134,290.83/185,315.60 = 73,857.57/x
  3. Step 3: Cross multiply
    134,290.83x = 185,315.60 × 73,857.57
  4. Step 4: Simplify right side
    134,290.83x = 13,686,959,529.80
  5. Step 5: Solve for x
    x = 13,686,959,529.80/134,290.83
  6. Step 6: Final answer
    x = 101,920.28

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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.