Home / 286,684.12-429,868.22-136,962.12

Finding the Fourth Proportional to 286,684.12, 429,868.22 and 136,962.12

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Solution

The fourth proportional to 286,684.12, 429,868.22 and 136,962.12 is: 205,367.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,684.12 : 429,868.22 = 136,962.12 : x
  2. Step 2: Convert to fraction form
    286,684.12/429,868.22 = 136,962.12/x
  3. Step 3: Cross multiply
    286,684.12x = 429,868.22 × 136,962.12
  4. Step 4: Simplify right side
    286,684.12x = 58,875,662,731.83
  5. Step 5: Solve for x
    x = 58,875,662,731.83/286,684.12
  6. Step 6: Final answer
    x = 205,367.72

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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.