Home / 137,923.16-190,334.13-77,493.74

Finding the Fourth Proportional to 137,923.16, 190,334.13 and 77,493.74

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Solution

The fourth proportional to 137,923.16, 190,334.13 and 77,493.74 is: 106,941.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,923.16 : 190,334.13 = 77,493.74 : x
  2. Step 2: Convert to fraction form
    137,923.16/190,334.13 = 77,493.74/x
  3. Step 3: Cross multiply
    137,923.16x = 190,334.13 × 77,493.74
  4. Step 4: Simplify right side
    137,923.16x = 14,749,703,583.35
  5. Step 5: Solve for x
    x = 14,749,703,583.35/137,923.16
  6. Step 6: Final answer
    x = 106,941.46

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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.