Home / 126,726.64-190,154.45-79,333.63

Finding the Fourth Proportional to 126,726.64, 190,154.45 and 79,333.63

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Solution

The fourth proportional to 126,726.64, 190,154.45 and 79,333.63 is: 119,040.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,726.64 : 190,154.45 = 79,333.63 : x
  2. Step 2: Convert to fraction form
    126,726.64/190,154.45 = 79,333.63/x
  3. Step 3: Cross multiply
    126,726.64x = 190,154.45 × 79,333.63
  4. Step 4: Simplify right side
    126,726.64x = 15,085,642,779.15
  5. Step 5: Solve for x
    x = 15,085,642,779.15/126,726.64
  6. Step 6: Final answer
    x = 119,040.82

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1.5x scale

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.