Home / 147,120.90-220,508.55-68,068.14

Finding the Fourth Proportional to 147,120.90, 220,508.55 and 68,068.14

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Solution

The fourth proportional to 147,120.90, 220,508.55 and 68,068.14 is: 102,022.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,120.90 : 220,508.55 = 68,068.14 : x
  2. Step 2: Convert to fraction form
    147,120.90/220,508.55 = 68,068.14/x
  3. Step 3: Cross multiply
    147,120.90x = 220,508.55 × 68,068.14
  4. Step 4: Simplify right side
    147,120.90x = 15,009,606,852.60
  5. Step 5: Solve for x
    x = 15,009,606,852.60/147,120.90
  6. Step 6: Final answer
    x = 102,022.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.