Home / 134,340.88-185,403.48-100,290.24

Finding the Fourth Proportional to 134,340.88, 185,403.48 and 100,290.24

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Solution

The fourth proportional to 134,340.88, 185,403.48 and 100,290.24 is: 138,410.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,340.88 : 185,403.48 = 100,290.24 : x
  2. Step 2: Convert to fraction form
    134,340.88/185,403.48 = 100,290.24/x
  3. Step 3: Cross multiply
    134,340.88x = 185,403.48 × 100,290.24
  4. Step 4: Simplify right side
    134,340.88x = 18,594,159,506.04
  5. Step 5: Solve for x
    x = 18,594,159,506.04/134,340.88
  6. Step 6: Final answer
    x = 138,410.29

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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.