Home / 124,911.02-172,433.49-79,649.84

Finding the Fourth Proportional to 124,911.02, 172,433.49 and 79,649.84

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Solution

The fourth proportional to 124,911.02, 172,433.49 and 79,649.84 is: 109,952.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,911.02 : 172,433.49 = 79,649.84 : x
  2. Step 2: Convert to fraction form
    124,911.02/172,433.49 = 79,649.84/x
  3. Step 3: Cross multiply
    124,911.02x = 172,433.49 × 79,649.84
  4. Step 4: Simplify right side
    124,911.02x = 13,734,299,026.97
  5. Step 5: Solve for x
    x = 13,734,299,026.97/124,911.02
  6. Step 6: Final answer
    x = 109,952.67

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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.