Home / 126,724.64-190,333-93,312.74

Finding the Fourth Proportional to 126,724.64, 190,333 and 93,312.74

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Solution

The fourth proportional to 126,724.64, 190,333 and 93,312.74 is: 140,150.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,724.64 : 190,333 = 93,312.74 : x
  2. Step 2: Convert to fraction form
    126,724.64/190,333 = 93,312.74/x
  3. Step 3: Cross multiply
    126,724.64x = 190,333 × 93,312.74
  4. Step 4: Simplify right side
    126,724.64x = 17,760,493,742.42
  5. Step 5: Solve for x
    x = 17,760,493,742.42/126,724.64
  6. Step 6: Final answer
    x = 140,150.28

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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.