Home / 156,143.32-234,448.26-153,810.52

Finding the Fourth Proportional to 156,143.32, 234,448.26 and 153,810.52

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Solution

The fourth proportional to 156,143.32, 234,448.26 and 153,810.52 is: 230,945.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,143.32 : 234,448.26 = 153,810.52 : x
  2. Step 2: Convert to fraction form
    156,143.32/234,448.26 = 153,810.52/x
  3. Step 3: Cross multiply
    156,143.32x = 234,448.26 × 153,810.52
  4. Step 4: Simplify right side
    156,143.32x = 36,060,608,783.70
  5. Step 5: Solve for x
    x = 36,060,608,783.70/156,143.32
  6. Step 6: Final answer
    x = 230,945.57

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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.