Home / 118,015.07-162,862.65-64,300.07

Finding the Fourth Proportional to 118,015.07, 162,862.65 and 64,300.07

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Solution

The fourth proportional to 118,015.07, 162,862.65 and 64,300.07 is: 88,735.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,015.07 : 162,862.65 = 64,300.07 : x
  2. Step 2: Convert to fraction form
    118,015.07/162,862.65 = 64,300.07/x
  3. Step 3: Cross multiply
    118,015.07x = 162,862.65 × 64,300.07
  4. Step 4: Simplify right side
    118,015.07x = 10,472,080,202.54
  5. Step 5: Solve for x
    x = 10,472,080,202.54/118,015.07
  6. Step 6: Final answer
    x = 88,735.11

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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.