Home / 156,925.92-236,242.74-142,975.56

Finding the Fourth Proportional to 156,925.92, 236,242.74 and 142,975.56

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Solution

The fourth proportional to 156,925.92, 236,242.74 and 142,975.56 is: 215,241.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,925.92 : 236,242.74 = 142,975.56 : x
  2. Step 2: Convert to fraction form
    156,925.92/236,242.74 = 142,975.56/x
  3. Step 3: Cross multiply
    156,925.92x = 236,242.74 × 142,975.56
  4. Step 4: Simplify right side
    156,925.92x = 33,776,938,047.43
  5. Step 5: Solve for x
    x = 33,776,938,047.43/156,925.92
  6. Step 6: Final answer
    x = 215,241.29

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.