Home / 166,316.07-229,516.16-90,864.57

Finding the Fourth Proportional to 166,316.07, 229,516.16 and 90,864.57

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Solution

The fourth proportional to 166,316.07, 229,516.16 and 90,864.57 is: 125,393.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,316.07 : 229,516.16 = 90,864.57 : x
  2. Step 2: Convert to fraction form
    166,316.07/229,516.16 = 90,864.57/x
  3. Step 3: Cross multiply
    166,316.07x = 229,516.16 × 90,864.57
  4. Step 4: Simplify right side
    166,316.07x = 20,854,887,186.45
  5. Step 5: Solve for x
    x = 20,854,887,186.45/166,316.07
  6. Step 6: Final answer
    x = 125,393.10

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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.