Home / 166,931.36-230,357.70-91,478.24

Finding the Fourth Proportional to 166,931.36, 230,357.70 and 91,478.24

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Solution

The fourth proportional to 166,931.36, 230,357.70 and 91,478.24 is: 126,235.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,931.36 : 230,357.70 = 91,478.24 : x
  2. Step 2: Convert to fraction form
    166,931.36/230,357.70 = 91,478.24/x
  3. Step 3: Cross multiply
    166,931.36x = 230,357.70 × 91,478.24
  4. Step 4: Simplify right side
    166,931.36x = 21,072,716,966.45
  5. Step 5: Solve for x
    x = 21,072,716,966.45/166,931.36
  6. Step 6: Final answer
    x = 126,235.82

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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.