Home / 136,190.52-204,285.78-42,703.80

Finding the Fourth Proportional to 136,190.52, 204,285.78 and 42,703.80

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Solution

The fourth proportional to 136,190.52, 204,285.78 and 42,703.80 is: 64,055.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,190.52 : 204,285.78 = 42,703.80 : x
  2. Step 2: Convert to fraction form
    136,190.52/204,285.78 = 42,703.80/x
  3. Step 3: Cross multiply
    136,190.52x = 204,285.78 × 42,703.80
  4. Step 4: Simplify right side
    136,190.52x = 8,723,779,091.96
  5. Step 5: Solve for x
    x = 8,723,779,091.96/136,190.52
  6. Step 6: Final answer
    x = 64,055.70

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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.