Home / 126,014.07-173,903.36-72,308.91

Finding the Fourth Proportional to 126,014.07, 173,903.36 and 72,308.91

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Solution

The fourth proportional to 126,014.07, 173,903.36 and 72,308.91 is: 99,788.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,014.07 : 173,903.36 = 72,308.91 : x
  2. Step 2: Convert to fraction form
    126,014.07/173,903.36 = 72,308.91/x
  3. Step 3: Cross multiply
    126,014.07x = 173,903.36 × 72,308.91
  4. Step 4: Simplify right side
    126,014.07x = 12,574,762,045.39
  5. Step 5: Solve for x
    x = 12,574,762,045.39/126,014.07
  6. Step 6: Final answer
    x = 99,788.56

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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.