Home / 118,175.59-163,078.28-70,428.07

Finding the Fourth Proportional to 118,175.59, 163,078.28 and 70,428.07

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Solution

The fourth proportional to 118,175.59, 163,078.28 and 70,428.07 is: 97,188.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,175.59 : 163,078.28 = 70,428.07 : x
  2. Step 2: Convert to fraction form
    118,175.59/163,078.28 = 70,428.07/x
  3. Step 3: Cross multiply
    118,175.59x = 163,078.28 × 70,428.07
  4. Step 4: Simplify right side
    118,175.59x = 11,485,288,023.59
  5. Step 5: Solve for x
    x = 11,485,288,023.59/118,175.59
  6. Step 6: Final answer
    x = 97,188.33

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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.