Home / 158,419.40-236,439.20-136,977.48

Finding the Fourth Proportional to 158,419.40, 236,439.20 and 136,977.48

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Solution

The fourth proportional to 158,419.40, 236,439.20 and 136,977.48 is: 204,437.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,419.40 : 236,439.20 = 136,977.48 : x
  2. Step 2: Convert to fraction form
    158,419.40/236,439.20 = 136,977.48/x
  3. Step 3: Cross multiply
    158,419.40x = 236,439.20 × 136,977.48
  4. Step 4: Simplify right side
    158,419.40x = 32,386,846,131.66
  5. Step 5: Solve for x
    x = 32,386,846,131.66/158,419.40
  6. Step 6: Final answer
    x = 204,437.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.