Home / 156,989.15-235,483.73-155,512.93

Finding the Fourth Proportional to 156,989.15, 235,483.73 and 155,512.93

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Solution

The fourth proportional to 156,989.15, 235,483.73 and 155,512.93 is: 233,269.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,989.15 : 235,483.73 = 155,512.93 : x
  2. Step 2: Convert to fraction form
    156,989.15/235,483.73 = 155,512.93/x
  3. Step 3: Cross multiply
    156,989.15x = 235,483.73 × 155,512.93
  4. Step 4: Simplify right side
    156,989.15x = 36,620,764,819.63
  5. Step 5: Solve for x
    x = 36,620,764,819.63/156,989.15
  6. Step 6: Final answer
    x = 233,269.40

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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.