Home / 126,533.76-189,800.88-37,780.29

Finding the Fourth Proportional to 126,533.76, 189,800.88 and 37,780.29

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Solution

The fourth proportional to 126,533.76, 189,800.88 and 37,780.29 is: 56,670.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,533.76 : 189,800.88 = 37,780.29 : x
  2. Step 2: Convert to fraction form
    126,533.76/189,800.88 = 37,780.29/x
  3. Step 3: Cross multiply
    126,533.76x = 189,800.88 × 37,780.29
  4. Step 4: Simplify right side
    126,533.76x = 7,170,732,288.66
  5. Step 5: Solve for x
    x = 7,170,732,288.66/126,533.76
  6. Step 6: Final answer
    x = 56,670.51

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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.