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Finding the Fourth Proportional to 126,160.70, 189,208.80 and 37,393.45

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Solution

The fourth proportional to 126,160.70, 189,208.80 and 37,393.45 is: 56,080.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,160.70 : 189,208.80 = 37,393.45 : x
  2. Step 2: Convert to fraction form
    126,160.70/189,208.80 = 37,393.45/x
  3. Step 3: Cross multiply
    126,160.70x = 189,208.80 × 37,393.45
  4. Step 4: Simplify right side
    126,160.70x = 7,075,169,329.34
  5. Step 5: Solve for x
    x = 7,075,169,329.34/126,160.70
  6. Step 6: Final answer
    x = 56,080.61

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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.