Home / 112,978.48-169,555.20-60,432.16

Finding the Fourth Proportional to 112,978.48, 169,555.20 and 60,432.16

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Solution

The fourth proportional to 112,978.48, 169,555.20 and 60,432.16 is: 90,695.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,978.48 : 169,555.20 = 60,432.16 : x
  2. Step 2: Convert to fraction form
    112,978.48/169,555.20 = 60,432.16/x
  3. Step 3: Cross multiply
    112,978.48x = 169,555.20 × 60,432.16
  4. Step 4: Simplify right side
    112,978.48x = 10,246,586,975.23
  5. Step 5: Solve for x
    x = 10,246,586,975.23/112,978.48
  6. Step 6: Final answer
    x = 90,695.03

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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.