Home / 137,887.53-190,301.18-77,458.29

Finding the Fourth Proportional to 137,887.53, 190,301.18 and 77,458.29

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Solution

The fourth proportional to 137,887.53, 190,301.18 and 77,458.29 is: 106,901.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,887.53 : 190,301.18 = 77,458.29 : x
  2. Step 2: Convert to fraction form
    137,887.53/190,301.18 = 77,458.29/x
  3. Step 3: Cross multiply
    137,887.53x = 190,301.18 × 77,458.29
  4. Step 4: Simplify right side
    137,887.53x = 14,740,403,600.49
  5. Step 5: Solve for x
    x = 14,740,403,600.49/137,887.53
  6. Step 6: Final answer
    x = 106,901.64

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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.