Home / 157,518.60-217,381.08-89,538.42

Finding the Fourth Proportional to 157,518.60, 217,381.08 and 89,538.42

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Solution

The fourth proportional to 157,518.60, 217,381.08 and 89,538.42 is: 123,566.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,518.60 : 217,381.08 = 89,538.42 : x
  2. Step 2: Convert to fraction form
    157,518.60/217,381.08 = 89,538.42/x
  3. Step 3: Cross multiply
    157,518.60x = 217,381.08 × 89,538.42
  4. Step 4: Simplify right side
    157,518.60x = 19,463,958,441.09
  5. Step 5: Solve for x
    x = 19,463,958,441.09/157,518.60
  6. Step 6: Final answer
    x = 123,566.10

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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.