Home / 169,332.51-254,151.05-90,514.11

Finding the Fourth Proportional to 169,332.51, 254,151.05 and 90,514.11

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Solution

The fourth proportional to 169,332.51, 254,151.05 and 90,514.11 is: 135,852.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,332.51 : 254,151.05 = 90,514.11 : x
  2. Step 2: Convert to fraction form
    169,332.51/254,151.05 = 90,514.11/x
  3. Step 3: Cross multiply
    169,332.51x = 254,151.05 × 90,514.11
  4. Step 4: Simplify right side
    169,332.51x = 23,004,256,096.32
  5. Step 5: Solve for x
    x = 23,004,256,096.32/169,332.51
  6. Step 6: Final answer
    x = 135,852.57

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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.