Home / 112,750.13-155,536.19-69,715.87

Finding the Fourth Proportional to 112,750.13, 155,536.19 and 69,715.87

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Solution

The fourth proportional to 112,750.13, 155,536.19 and 69,715.87 is: 96,171.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,750.13 : 155,536.19 = 69,715.87 : x
  2. Step 2: Convert to fraction form
    112,750.13/155,536.19 = 69,715.87/x
  3. Step 3: Cross multiply
    112,750.13x = 155,536.19 × 69,715.87
  4. Step 4: Simplify right side
    112,750.13x = 10,843,340,802.34
  5. Step 5: Solve for x
    x = 10,843,340,802.34/112,750.13
  6. Step 6: Final answer
    x = 96,171.43

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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.