Home / 118,356.39-163,329.29-64,641.62

Finding the Fourth Proportional to 118,356.39, 163,329.29 and 64,641.62

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Solution

The fourth proportional to 118,356.39, 163,329.29 and 64,641.62 is: 89,204.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,356.39 : 163,329.29 = 64,641.62 : x
  2. Step 2: Convert to fraction form
    118,356.39/163,329.29 = 64,641.62/x
  3. Step 3: Cross multiply
    118,356.39x = 163,329.29 × 64,641.62
  4. Step 4: Simplify right side
    118,356.39x = 10,557,870,226.57
  5. Step 5: Solve for x
    x = 10,557,870,226.57/118,356.39
  6. Step 6: Final answer
    x = 89,204.06

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1.5x scale

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.