Home / 126,269.08-189,270.47-42,006.74

Finding the Fourth Proportional to 126,269.08, 189,270.47 and 42,006.74

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Solution

The fourth proportional to 126,269.08, 189,270.47 and 42,006.74 is: 62,965.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,269.08 : 189,270.47 = 42,006.74 : x
  2. Step 2: Convert to fraction form
    126,269.08/189,270.47 = 42,006.74/x
  3. Step 3: Cross multiply
    126,269.08x = 189,270.47 × 42,006.74
  4. Step 4: Simplify right side
    126,269.08x = 7,950,634,581.63
  5. Step 5: Solve for x
    x = 7,950,634,581.63/126,269.08
  6. Step 6: Final answer
    x = 62,965.81

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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.