Home / 137,853.10-190,237.32-77,423.83

Finding the Fourth Proportional to 137,853.10, 190,237.32 and 77,423.83

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Solution

The fourth proportional to 137,853.10, 190,237.32 and 77,423.83 is: 106,844.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,853.10 : 190,237.32 = 77,423.83 : x
  2. Step 2: Convert to fraction form
    137,853.10/190,237.32 = 77,423.83/x
  3. Step 3: Cross multiply
    137,853.10x = 190,237.32 × 77,423.83
  4. Step 4: Simplify right side
    137,853.10x = 14,728,901,923.34
  5. Step 5: Solve for x
    x = 14,728,901,923.34/137,853.10
  6. Step 6: Final answer
    x = 106,844.91

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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.