Home / 112,851.25-155,750.70-69,844.58

Finding the Fourth Proportional to 112,851.25, 155,750.70 and 69,844.58

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Solution

The fourth proportional to 112,851.25, 155,750.70 and 69,844.58 is: 96,395.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,851.25 : 155,750.70 = 69,844.58 : x
  2. Step 2: Convert to fraction form
    112,851.25/155,750.70 = 69,844.58/x
  3. Step 3: Cross multiply
    112,851.25x = 155,750.70 × 69,844.58
  4. Step 4: Simplify right side
    112,851.25x = 10,878,341,900.56
  5. Step 5: Solve for x
    x = 10,878,341,900.56/112,851.25
  6. Step 6: Final answer
    x = 96,395.40

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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.