Home / 137,774.66-190,140.01-77,349.26

Finding the Fourth Proportional to 137,774.66, 190,140.01 and 77,349.26

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Solution

The fourth proportional to 137,774.66, 190,140.01 and 77,349.26 is: 106,748.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,774.66 : 190,140.01 = 77,349.26 : x
  2. Step 2: Convert to fraction form
    137,774.66/190,140.01 = 77,349.26/x
  3. Step 3: Cross multiply
    137,774.66x = 190,140.01 × 77,349.26
  4. Step 4: Simplify right side
    137,774.66x = 14,707,189,351.87
  5. Step 5: Solve for x
    x = 14,707,189,351.87/137,774.66
  6. Step 6: Final answer
    x = 106,748.15

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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.