Home / 136,148.40-204,222.72-42,661.44

Finding the Fourth Proportional to 136,148.40, 204,222.72 and 42,661.44

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Solution

The fourth proportional to 136,148.40, 204,222.72 and 42,661.44 is: 63,992.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,148.40 : 204,222.72 = 42,661.44 : x
  2. Step 2: Convert to fraction form
    136,148.40/204,222.72 = 42,661.44/x
  3. Step 3: Cross multiply
    136,148.40x = 204,222.72 × 42,661.44
  4. Step 4: Simplify right side
    136,148.40x = 8,712,435,315.92
  5. Step 5: Solve for x
    x = 8,712,435,315.92/136,148.40
  6. Step 6: Final answer
    x = 63,992.20

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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.