Home / 131,369.85-181,295.42-74,031.98

Finding the Fourth Proportional to 131,369.85, 181,295.42 and 74,031.98

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Solution

The fourth proportional to 131,369.85, 181,295.42 and 74,031.98 is: 102,166.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,369.85 : 181,295.42 = 74,031.98 : x
  2. Step 2: Convert to fraction form
    131,369.85/181,295.42 = 74,031.98/x
  3. Step 3: Cross multiply
    131,369.85x = 181,295.42 × 74,031.98
  4. Step 4: Simplify right side
    131,369.85x = 13,421,657,630.89
  5. Step 5: Solve for x
    x = 13,421,657,630.89/131,369.85
  6. Step 6: Final answer
    x = 102,166.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.