Home / 118,291.39-163,242.34-64,577.28

Finding the Fourth Proportional to 118,291.39, 163,242.34 and 64,577.28

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Solution

The fourth proportional to 118,291.39, 163,242.34 and 64,577.28 is: 89,116.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,291.39 : 163,242.34 = 64,577.28 : x
  2. Step 2: Convert to fraction form
    118,291.39/163,242.34 = 64,577.28/x
  3. Step 3: Cross multiply
    118,291.39x = 163,242.34 × 64,577.28
  4. Step 4: Simplify right side
    118,291.39x = 10,541,746,748.75
  5. Step 5: Solve for x
    x = 10,541,746,748.75/118,291.39
  6. Step 6: Final answer
    x = 89,116.77

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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.