Home / 106,808.81-147,262.19-68,500.76

Finding the Fourth Proportional to 106,808.81, 147,262.19 and 68,500.76

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Solution

The fourth proportional to 106,808.81, 147,262.19 and 68,500.76 is: 94,445.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,808.81 : 147,262.19 = 68,500.76 : x
  2. Step 2: Convert to fraction form
    106,808.81/147,262.19 = 68,500.76/x
  3. Step 3: Cross multiply
    106,808.81x = 147,262.19 × 68,500.76
  4. Step 4: Simplify right side
    106,808.81x = 10,087,571,959.92
  5. Step 5: Solve for x
    x = 10,087,571,959.92/106,808.81
  6. Step 6: Final answer
    x = 94,445.13

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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.