Home / 106,384.36-146,653.50-68,139.40

Finding the Fourth Proportional to 106,384.36, 146,653.50 and 68,139.40

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Solution

The fourth proportional to 106,384.36, 146,653.50 and 68,139.40 is: 93,931.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,384.36 : 146,653.50 = 68,139.40 : x
  2. Step 2: Convert to fraction form
    106,384.36/146,653.50 = 68,139.40/x
  3. Step 3: Cross multiply
    106,384.36x = 146,653.50 × 68,139.40
  4. Step 4: Simplify right side
    106,384.36x = 9,992,881,497.90
  5. Step 5: Solve for x
    x = 9,992,881,497.90/106,384.36
  6. Step 6: Final answer
    x = 93,931.87

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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.