Home / 106,712.36-147,293.73-70,440.28

Finding the Fourth Proportional to 106,712.36, 147,293.73 and 70,440.28

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Solution

The fourth proportional to 106,712.36, 147,293.73 and 70,440.28 is: 97,227.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,712.36 : 147,293.73 = 70,440.28 : x
  2. Step 2: Convert to fraction form
    106,712.36/147,293.73 = 70,440.28/x
  3. Step 3: Cross multiply
    106,712.36x = 147,293.73 × 70,440.28
  4. Step 4: Simplify right side
    106,712.36x = 10,375,411,583.44
  5. Step 5: Solve for x
    x = 10,375,411,583.44/106,712.36
  6. Step 6: Final answer
    x = 97,227.83

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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.