Home / 126,088.23-174,012.20-72,383.64

Finding the Fourth Proportional to 126,088.23, 174,012.20 and 72,383.64

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Solution

The fourth proportional to 126,088.23, 174,012.20 and 72,383.64 is: 99,895.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,088.23 : 174,012.20 = 72,383.64 : x
  2. Step 2: Convert to fraction form
    126,088.23/174,012.20 = 72,383.64/x
  3. Step 3: Cross multiply
    126,088.23x = 174,012.20 × 72,383.64
  4. Step 4: Simplify right side
    126,088.23x = 12,595,636,440.41
  5. Step 5: Solve for x
    x = 12,595,636,440.41/126,088.23
  6. Step 6: Final answer
    x = 99,895.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.