Home / 118,742.40-163,868.22-65,032.56

Finding the Fourth Proportional to 118,742.40, 163,868.22 and 65,032.56

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Solution

The fourth proportional to 118,742.40, 163,868.22 and 65,032.56 is: 89,746.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,742.40 : 163,868.22 = 65,032.56 : x
  2. Step 2: Convert to fraction form
    118,742.40/163,868.22 = 65,032.56/x
  3. Step 3: Cross multiply
    118,742.40x = 163,868.22 × 65,032.56
  4. Step 4: Simplify right side
    118,742.40x = 10,656,769,849.24
  5. Step 5: Solve for x
    x = 10,656,769,849.24/118,742.40
  6. Step 6: Final answer
    x = 89,746.96

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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.