Home / 118,448.14-163,458.07-64,733.16

Finding the Fourth Proportional to 118,448.14, 163,458.07 and 64,733.16

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Solution

The fourth proportional to 118,448.14, 163,458.07 and 64,733.16 is: 89,331.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,448.14 : 163,458.07 = 64,733.16 : x
  2. Step 2: Convert to fraction form
    118,448.14/163,458.07 = 64,733.16/x
  3. Step 3: Cross multiply
    118,448.14x = 163,458.07 × 64,733.16
  4. Step 4: Simplify right side
    118,448.14x = 10,581,157,398.60
  5. Step 5: Solve for x
    x = 10,581,157,398.60/118,448.14
  6. Step 6: Final answer
    x = 89,331.56

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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.