Home / 126,937.19-190,408.49-42,699.89

Finding the Fourth Proportional to 126,937.19, 190,408.49 and 42,699.89

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Solution

The fourth proportional to 126,937.19, 190,408.49 and 42,699.89 is: 64,050.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,937.19 : 190,408.49 = 42,699.89 : x
  2. Step 2: Convert to fraction form
    126,937.19/190,408.49 = 42,699.89/x
  3. Step 3: Cross multiply
    126,937.19x = 190,408.49 × 42,699.89
  4. Step 4: Simplify right side
    126,937.19x = 8,130,420,412.52
  5. Step 5: Solve for x
    x = 8,130,420,412.52/126,937.19
  6. Step 6: Final answer
    x = 64,050.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.