Home / 106,665.84-147,178.50-64,227.12

Finding the Fourth Proportional to 106,665.84, 147,178.50 and 64,227.12

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Solution

The fourth proportional to 106,665.84, 147,178.50 and 64,227.12 is: 88,621.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,665.84 : 147,178.50 = 64,227.12 : x
  2. Step 2: Convert to fraction form
    106,665.84/147,178.50 = 64,227.12/x
  3. Step 3: Cross multiply
    106,665.84x = 147,178.50 × 64,227.12
  4. Step 4: Simplify right side
    106,665.84x = 9,452,851,180.92
  5. Step 5: Solve for x
    x = 9,452,851,180.92/106,665.84
  6. Step 6: Final answer
    x = 88,621.17

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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.