Home / 156,483.32-234,718.49-72,215.48

Finding the Fourth Proportional to 156,483.32, 234,718.49 and 72,215.48

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Solution

The fourth proportional to 156,483.32, 234,718.49 and 72,215.48 is: 108,320.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,483.32 : 234,718.49 = 72,215.48 : x
  2. Step 2: Convert to fraction form
    156,483.32/234,718.49 = 72,215.48/x
  3. Step 3: Cross multiply
    156,483.32x = 234,718.49 × 72,215.48
  4. Step 4: Simplify right side
    156,483.32x = 16,950,308,645.94
  5. Step 5: Solve for x
    x = 16,950,308,645.94/156,483.32
  6. Step 6: Final answer
    x = 108,320.22

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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.