Home / 126,955.41-190,547.33-67,841.61

Finding the Fourth Proportional to 126,955.41, 190,547.33 and 67,841.61

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Solution

The fourth proportional to 126,955.41, 190,547.33 and 67,841.61 is: 101,823.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,955.41 : 190,547.33 = 67,841.61 : x
  2. Step 2: Convert to fraction form
    126,955.41/190,547.33 = 67,841.61/x
  3. Step 3: Cross multiply
    126,955.41x = 190,547.33 × 67,841.61
  4. Step 4: Simplify right side
    126,955.41x = 12,927,037,309.19
  5. Step 5: Solve for x
    x = 12,927,037,309.19/126,955.41
  6. Step 6: Final answer
    x = 101,823.45

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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.