Home / 120,329.71-166,072.37-69,332.67

Finding the Fourth Proportional to 120,329.71, 166,072.37 and 69,332.67

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Solution

The fourth proportional to 120,329.71, 166,072.37 and 69,332.67 is: 95,689.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,329.71 : 166,072.37 = 69,332.67 : x
  2. Step 2: Convert to fraction form
    120,329.71/166,072.37 = 69,332.67/x
  3. Step 3: Cross multiply
    120,329.71x = 166,072.37 × 69,332.67
  4. Step 4: Simplify right side
    120,329.71x = 11,514,240,998.66
  5. Step 5: Solve for x
    x = 11,514,240,998.66/120,329.71
  6. Step 6: Final answer
    x = 95,689.10

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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.