Home / 158,077.15-237,128.11-45,759.06

Finding the Fourth Proportional to 158,077.15, 237,128.11 and 45,759.06

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Solution

The fourth proportional to 158,077.15, 237,128.11 and 45,759.06 is: 68,642.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,077.15 : 237,128.11 = 45,759.06 : x
  2. Step 2: Convert to fraction form
    158,077.15/237,128.11 = 45,759.06/x
  3. Step 3: Cross multiply
    158,077.15x = 237,128.11 × 45,759.06
  4. Step 4: Simplify right side
    158,077.15x = 10,850,759,298.78
  5. Step 5: Solve for x
    x = 10,850,759,298.78/158,077.15
  6. Step 6: Final answer
    x = 68,642.17

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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.