Home / 118,497.20-163,525.72-64,782.16

Finding the Fourth Proportional to 118,497.20, 163,525.72 and 64,782.16

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Solution

The fourth proportional to 118,497.20, 163,525.72 and 64,782.16 is: 89,399.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,497.20 : 163,525.72 = 64,782.16 : x
  2. Step 2: Convert to fraction form
    118,497.20/163,525.72 = 64,782.16/x
  3. Step 3: Cross multiply
    118,497.20x = 163,525.72 × 64,782.16
  4. Step 4: Simplify right side
    118,497.20x = 10,593,549,357.16
  5. Step 5: Solve for x
    x = 10,593,549,357.16/118,497.20
  6. Step 6: Final answer
    x = 89,399.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.