Home / 129,670.08-194,498.24-39,712.77

Finding the Fourth Proportional to 129,670.08, 194,498.24 and 39,712.77

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Solution

The fourth proportional to 129,670.08, 194,498.24 and 39,712.77 is: 59,567.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,670.08 : 194,498.24 = 39,712.77 : x
  2. Step 2: Convert to fraction form
    129,670.08/194,498.24 = 39,712.77/x
  3. Step 3: Cross multiply
    129,670.08x = 194,498.24 × 39,712.77
  4. Step 4: Simplify right side
    129,670.08x = 7,724,063,671.96
  5. Step 5: Solve for x
    x = 7,724,063,671.96/129,670.08
  6. Step 6: Final answer
    x = 59,567.05

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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.