Home / 157,923.48-218,164.89-136,665.84

Finding the Fourth Proportional to 157,923.48, 218,164.89 and 136,665.84

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Solution

The fourth proportional to 157,923.48, 218,164.89 and 136,665.84 is: 188,798.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,923.48 : 218,164.89 = 136,665.84 : x
  2. Step 2: Convert to fraction form
    157,923.48/218,164.89 = 136,665.84/x
  3. Step 3: Cross multiply
    157,923.48x = 218,164.89 × 136,665.84
  4. Step 4: Simplify right side
    157,923.48x = 29,815,687,950.36
  5. Step 5: Solve for x
    x = 29,815,687,950.36/157,923.48
  6. Step 6: Final answer
    x = 188,798.32

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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.