Home / 157,835.81-236,788.68-45,507.26

Finding the Fourth Proportional to 157,835.81, 236,788.68 and 45,507.26

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Solution

The fourth proportional to 157,835.81, 236,788.68 and 45,507.26 is: 68,270.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,835.81 : 236,788.68 = 45,507.26 : x
  2. Step 2: Convert to fraction form
    157,835.81/236,788.68 = 45,507.26/x
  3. Step 3: Cross multiply
    157,835.81x = 236,788.68 × 45,507.26
  4. Step 4: Simplify right side
    157,835.81x = 10,775,602,841.87
  5. Step 5: Solve for x
    x = 10,775,602,841.87/157,835.81
  6. Step 6: Final answer
    x = 68,270.97

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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.