Home / 158,516.85-237,878.34-68,647.35

Finding the Fourth Proportional to 158,516.85, 237,878.34 and 68,647.35

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Solution

The fourth proportional to 158,516.85, 237,878.34 and 68,647.35 is: 103,015.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,516.85 : 237,878.34 = 68,647.35 : x
  2. Step 2: Convert to fraction form
    158,516.85/237,878.34 = 68,647.35/x
  3. Step 3: Cross multiply
    158,516.85x = 237,878.34 × 68,647.35
  4. Step 4: Simplify right side
    158,516.85x = 16,329,717,663.40
  5. Step 5: Solve for x
    x = 16,329,717,663.40/158,516.85
  6. Step 6: Final answer
    x = 103,015.66

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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.