Home / 136,423.04-204,615.12-42,926.36

Finding the Fourth Proportional to 136,423.04, 204,615.12 and 42,926.36

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Solution

The fourth proportional to 136,423.04, 204,615.12 and 42,926.36 is: 64,383.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,423.04 : 204,615.12 = 42,926.36 : x
  2. Step 2: Convert to fraction form
    136,423.04/204,615.12 = 42,926.36/x
  3. Step 3: Cross multiply
    136,423.04x = 204,615.12 × 42,926.36
  4. Step 4: Simplify right side
    136,423.04x = 8,783,382,302.56
  5. Step 5: Solve for x
    x = 8,783,382,302.56/136,423.04
  6. Step 6: Final answer
    x = 64,383.42

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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.