Home / 145,943.32-218,953.98-52,449.88

Finding the Fourth Proportional to 145,943.32, 218,953.98 and 52,449.88

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Solution

The fourth proportional to 145,943.32, 218,953.98 and 52,449.88 is: 78,688.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,943.32 : 218,953.98 = 52,449.88 : x
  2. Step 2: Convert to fraction form
    145,943.32/218,953.98 = 52,449.88/x
  3. Step 3: Cross multiply
    145,943.32x = 218,953.98 × 52,449.88
  4. Step 4: Simplify right side
    145,943.32x = 11,484,109,976.52
  5. Step 5: Solve for x
    x = 11,484,109,976.52/145,943.32
  6. Step 6: Final answer
    x = 78,688.84

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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.