Home / 126,436.16-189,681.95-47,550.36

Finding the Fourth Proportional to 126,436.16, 189,681.95 and 47,550.36

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Solution

The fourth proportional to 126,436.16, 189,681.95 and 47,550.36 is: 71,335.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,436.16 : 189,681.95 = 47,550.36 : x
  2. Step 2: Convert to fraction form
    126,436.16/189,681.95 = 47,550.36/x
  3. Step 3: Cross multiply
    126,436.16x = 189,681.95 × 47,550.36
  4. Step 4: Simplify right side
    126,436.16x = 9,019,444,770.25
  5. Step 5: Solve for x
    x = 9,019,444,770.25/126,436.16
  6. Step 6: Final answer
    x = 71,335.96

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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.