Home / 91,509.33-126,285.54-51,222.96

Finding the Fourth Proportional to 91,509.33, 126,285.54 and 51,222.96

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Solution

The fourth proportional to 91,509.33, 126,285.54 and 51,222.96 is: 70,689.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,509.33 : 126,285.54 = 51,222.96 : x
  2. Step 2: Convert to fraction form
    91,509.33/126,285.54 = 51,222.96/x
  3. Step 3: Cross multiply
    91,509.33x = 126,285.54 × 51,222.96
  4. Step 4: Simplify right side
    91,509.33x = 6,468,719,164.00
  5. Step 5: Solve for x
    x = 6,468,719,164.00/91,509.33
  6. Step 6: Final answer
    x = 70,689.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.