Home / 159,219.18-238,547.16-84,172.86

Finding the Fourth Proportional to 159,219.18, 238,547.16 and 84,172.86

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Solution

The fourth proportional to 159,219.18, 238,547.16 and 84,172.86 is: 126,110.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,219.18 : 238,547.16 = 84,172.86 : x
  2. Step 2: Convert to fraction form
    159,219.18/238,547.16 = 84,172.86/x
  3. Step 3: Cross multiply
    159,219.18x = 238,547.16 × 84,172.86
  4. Step 4: Simplify right side
    159,219.18x = 20,079,196,702.08
  5. Step 5: Solve for x
    x = 20,079,196,702.08/159,219.18
  6. Step 6: Final answer
    x = 126,110.41

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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.