Home / 126,126.02-189,189.71-37,380.30

Finding the Fourth Proportional to 126,126.02, 189,189.71 and 37,380.30

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Solution

The fourth proportional to 126,126.02, 189,189.71 and 37,380.30 is: 56,070.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,126.02 : 189,189.71 = 37,380.30 : x
  2. Step 2: Convert to fraction form
    126,126.02/189,189.71 = 37,380.30/x
  3. Step 3: Cross multiply
    126,126.02x = 189,189.71 × 37,380.30
  4. Step 4: Simplify right side
    126,126.02x = 7,071,967,929.81
  5. Step 5: Solve for x
    x = 7,071,967,929.81/126,126.02
  6. Step 6: Final answer
    x = 56,070.65

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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.