Home / 118,422.27-163,346.36-70,638.75

Finding the Fourth Proportional to 118,422.27, 163,346.36 and 70,638.75

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Solution

The fourth proportional to 118,422.27, 163,346.36 and 70,638.75 is: 97,435.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,422.27 : 163,346.36 = 70,638.75 : x
  2. Step 2: Convert to fraction form
    118,422.27/163,346.36 = 70,638.75/x
  3. Step 3: Cross multiply
    118,422.27x = 163,346.36 × 70,638.75
  4. Step 4: Simplify right side
    118,422.27x = 11,538,582,334.26
  5. Step 5: Solve for x
    x = 11,538,582,334.26/118,422.27
  6. Step 6: Final answer
    x = 97,435.92

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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.