Home / 120,946.18-181,435.70-42,050.20

Finding the Fourth Proportional to 120,946.18, 181,435.70 and 42,050.20

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Solution

The fourth proportional to 120,946.18, 181,435.70 and 42,050.20 is: 63,081.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,946.18 : 181,435.70 = 42,050.20 : x
  2. Step 2: Convert to fraction form
    120,946.18/181,435.70 = 42,050.20/x
  3. Step 3: Cross multiply
    120,946.18x = 181,435.70 × 42,050.20
  4. Step 4: Simplify right side
    120,946.18x = 7,629,407,472.14
  5. Step 5: Solve for x
    x = 7,629,407,472.14/120,946.18
  6. Step 6: Final answer
    x = 63,081.01

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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.