Home / 126,023.41-173,908.23-72,307.60

Finding the Fourth Proportional to 126,023.41, 173,908.23 and 72,307.60

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Solution

The fourth proportional to 126,023.41, 173,908.23 and 72,307.60 is: 99,782.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,023.41 : 173,908.23 = 72,307.60 : x
  2. Step 2: Convert to fraction form
    126,023.41/173,908.23 = 72,307.60/x
  3. Step 3: Cross multiply
    126,023.41x = 173,908.23 × 72,307.60
  4. Step 4: Simplify right side
    126,023.41x = 12,574,886,731.55
  5. Step 5: Solve for x
    x = 12,574,886,731.55/126,023.41
  6. Step 6: Final answer
    x = 99,782.15

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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.