Home / 159,332.90-238,999.35-111,640.10

Finding the Fourth Proportional to 159,332.90, 238,999.35 and 111,640.10

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Solution

The fourth proportional to 159,332.90, 238,999.35 and 111,640.10 is: 167,460.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,332.90 : 238,999.35 = 111,640.10 : x
  2. Step 2: Convert to fraction form
    159,332.90/238,999.35 = 111,640.10/x
  3. Step 3: Cross multiply
    159,332.90x = 238,999.35 × 111,640.10
  4. Step 4: Simplify right side
    159,332.90x = 26,681,911,333.94
  5. Step 5: Solve for x
    x = 26,681,911,333.94/159,332.90
  6. Step 6: Final answer
    x = 167,460.15

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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.