Home / 118,011.04-162,780.82-70,228.72

Finding the Fourth Proportional to 118,011.04, 162,780.82 and 70,228.72

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Solution

The fourth proportional to 118,011.04, 162,780.82 and 70,228.72 is: 96,871.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,011.04 : 162,780.82 = 70,228.72 : x
  2. Step 2: Convert to fraction form
    118,011.04/162,780.82 = 70,228.72/x
  3. Step 3: Cross multiply
    118,011.04x = 162,780.82 × 70,228.72
  4. Step 4: Simplify right side
    118,011.04x = 11,431,888,629.15
  5. Step 5: Solve for x
    x = 11,431,888,629.15/118,011.04
  6. Step 6: Final answer
    x = 96,871.35

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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.