Home / 124,846.28-172,302.96-70,408.80

Finding the Fourth Proportional to 124,846.28, 172,302.96 and 70,408.80

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Solution

The fourth proportional to 124,846.28, 172,302.96 and 70,408.80 is: 97,172.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,846.28 : 172,302.96 = 70,408.80 : x
  2. Step 2: Convert to fraction form
    124,846.28/172,302.96 = 70,408.80/x
  3. Step 3: Cross multiply
    124,846.28x = 172,302.96 × 70,408.80
  4. Step 4: Simplify right side
    124,846.28x = 12,131,644,650.05
  5. Step 5: Solve for x
    x = 12,131,644,650.05/124,846.28
  6. Step 6: Final answer
    x = 97,172.66

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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.