Home / 121,600.02-182,418.24-42,700.34

Finding the Fourth Proportional to 121,600.02, 182,418.24 and 42,700.34

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Solution

The fourth proportional to 121,600.02, 182,418.24 and 42,700.34 is: 64,056.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,600.02 : 182,418.24 = 42,700.34 : x
  2. Step 2: Convert to fraction form
    121,600.02/182,418.24 = 42,700.34/x
  3. Step 3: Cross multiply
    121,600.02x = 182,418.24 × 42,700.34
  4. Step 4: Simplify right side
    121,600.02x = 7,789,320,870.20
  5. Step 5: Solve for x
    x = 7,789,320,870.20/121,600.02
  6. Step 6: Final answer
    x = 64,056.90

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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.