Home / 120,827.95-181,316.73-70,250.77

Finding the Fourth Proportional to 120,827.95, 181,316.73 and 70,250.77

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Solution

The fourth proportional to 120,827.95, 181,316.73 and 70,250.77 is: 105,419.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,827.95 : 181,316.73 = 70,250.77 : x
  2. Step 2: Convert to fraction form
    120,827.95/181,316.73 = 70,250.77/x
  3. Step 3: Cross multiply
    120,827.95x = 181,316.73 × 70,250.77
  4. Step 4: Simplify right side
    120,827.95x = 12,737,639,481.35
  5. Step 5: Solve for x
    x = 12,737,639,481.35/120,827.95
  6. Step 6: Final answer
    x = 105,419.64

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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.