Home / 131,192.34-181,092.18-77,477.58

Finding the Fourth Proportional to 131,192.34, 181,092.18 and 77,477.58

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Solution

The fourth proportional to 131,192.34, 181,092.18 and 77,477.58 is: 106,946.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,192.34 : 181,092.18 = 77,477.58 : x
  2. Step 2: Convert to fraction form
    131,192.34/181,092.18 = 77,477.58/x
  3. Step 3: Cross multiply
    131,192.34x = 181,092.18 × 77,477.58
  4. Step 4: Simplify right side
    131,192.34x = 14,030,583,863.32
  5. Step 5: Solve for x
    x = 14,030,583,863.32/131,192.34
  6. Step 6: Final answer
    x = 106,946.67

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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.