Home / 126,913.34-190,391.88-42,681.44

Finding the Fourth Proportional to 126,913.34, 190,391.88 and 42,681.44

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Solution

The fourth proportional to 126,913.34, 190,391.88 and 42,681.44 is: 64,029.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,913.34 : 190,391.88 = 42,681.44 : x
  2. Step 2: Convert to fraction form
    126,913.34/190,391.88 = 42,681.44/x
  3. Step 3: Cross multiply
    126,913.34x = 190,391.88 × 42,681.44
  4. Step 4: Simplify right side
    126,913.34x = 8,126,199,602.71
  5. Step 5: Solve for x
    x = 8,126,199,602.71/126,913.34
  6. Step 6: Final answer
    x = 64,029.51

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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.