Home / 118,724.87-163,840.58-64,277.61

Finding the Fourth Proportional to 118,724.87, 163,840.58 and 64,277.61

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Solution

The fourth proportional to 118,724.87, 163,840.58 and 64,277.61 is: 88,703.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,724.87 : 163,840.58 = 64,277.61 : x
  2. Step 2: Convert to fraction form
    118,724.87/163,840.58 = 64,277.61/x
  3. Step 3: Cross multiply
    118,724.87x = 163,840.58 × 64,277.61
  4. Step 4: Simplify right side
    118,724.87x = 10,531,280,088.14
  5. Step 5: Solve for x
    x = 10,531,280,088.14/118,724.87
  6. Step 6: Final answer
    x = 88,703.24

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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.