Home / 136,138.79-204,208.23-56,175.59

Finding the Fourth Proportional to 136,138.79, 204,208.23 and 56,175.59

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Solution

The fourth proportional to 136,138.79, 204,208.23 and 56,175.59 is: 84,263.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,138.79 : 204,208.23 = 56,175.59 : x
  2. Step 2: Convert to fraction form
    136,138.79/204,208.23 = 56,175.59/x
  3. Step 3: Cross multiply
    136,138.79x = 204,208.23 × 56,175.59
  4. Step 4: Simplify right side
    136,138.79x = 11,471,517,803.11
  5. Step 5: Solve for x
    x = 11,471,517,803.11/136,138.79
  6. Step 6: Final answer
    x = 84,263.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.