Home / 102,305.93-153,434.60-39,102.85

Finding the Fourth Proportional to 102,305.93, 153,434.60 and 39,102.85

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Solution

The fourth proportional to 102,305.93, 153,434.60 and 39,102.85 is: 58,644.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,305.93 : 153,434.60 = 39,102.85 : x
  2. Step 2: Convert to fraction form
    102,305.93/153,434.60 = 39,102.85/x
  3. Step 3: Cross multiply
    102,305.93x = 153,434.60 × 39,102.85
  4. Step 4: Simplify right side
    102,305.93x = 5,999,729,185.92
  5. Step 5: Solve for x
    x = 5,999,729,185.92/102,305.93
  6. Step 6: Final answer
    x = 58,644.98

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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.