Home / 118,582.66-163,641.93-64,867.21

Finding the Fourth Proportional to 118,582.66, 163,641.93 and 64,867.21

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Solution

The fourth proportional to 118,582.66, 163,641.93 and 64,867.21 is: 89,515.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,582.66 : 163,641.93 = 64,867.21 : x
  2. Step 2: Convert to fraction form
    118,582.66/163,641.93 = 64,867.21/x
  3. Step 3: Cross multiply
    118,582.66x = 163,641.93 × 64,867.21
  4. Step 4: Simplify right side
    118,582.66x = 10,614,994,619.91
  5. Step 5: Solve for x
    x = 10,614,994,619.91/118,582.66
  6. Step 6: Final answer
    x = 89,515.58

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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.