Home / 106,019.49-146,328.17-62,990.70

Finding the Fourth Proportional to 106,019.49, 146,328.17 and 62,990.70

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Solution

The fourth proportional to 106,019.49, 146,328.17 and 62,990.70 is: 86,939.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,019.49 : 146,328.17 = 62,990.70 : x
  2. Step 2: Convert to fraction form
    106,019.49/146,328.17 = 62,990.70/x
  3. Step 3: Cross multiply
    106,019.49x = 146,328.17 × 62,990.70
  4. Step 4: Simplify right side
    106,019.49x = 9,217,313,543.07
  5. Step 5: Solve for x
    x = 9,217,313,543.07/106,019.49
  6. Step 6: Final answer
    x = 86,939.80

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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.