Home / 157,528.88-235,289.05-142,513.04

Finding the Fourth Proportional to 157,528.88, 235,289.05 and 142,513.04

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Solution

The fourth proportional to 157,528.88, 235,289.05 and 142,513.04 is: 212,861.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,528.88 : 235,289.05 = 142,513.04 : x
  2. Step 2: Convert to fraction form
    157,528.88/235,289.05 = 142,513.04/x
  3. Step 3: Cross multiply
    157,528.88x = 235,289.05 × 142,513.04
  4. Step 4: Simplify right side
    157,528.88x = 33,531,757,794.21
  5. Step 5: Solve for x
    x = 33,531,757,794.21/157,528.88
  6. Step 6: Final answer
    x = 212,861.02

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.