Home / 84,176.41-126,264.63-56,151.20

Finding the Fourth Proportional to 84,176.41, 126,264.63 and 56,151.20

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Solution

The fourth proportional to 84,176.41, 126,264.63 and 56,151.20 is: 84,226.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,176.41 : 126,264.63 = 56,151.20 : x
  2. Step 2: Convert to fraction form
    84,176.41/126,264.63 = 56,151.20/x
  3. Step 3: Cross multiply
    84,176.41x = 126,264.63 × 56,151.20
  4. Step 4: Simplify right side
    84,176.41x = 7,089,910,492.06
  5. Step 5: Solve for x
    x = 7,089,910,492.06/84,176.41
  6. Step 6: Final answer
    x = 84,226.81

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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.