Home / 106,386.20-146,802.13-61,053.33

Finding the Fourth Proportional to 106,386.20, 146,802.13 and 61,053.33

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Solution

The fourth proportional to 106,386.20, 146,802.13 and 61,053.33 is: 84,247.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,386.20 : 146,802.13 = 61,053.33 : x
  2. Step 2: Convert to fraction form
    106,386.20/146,802.13 = 61,053.33/x
  3. Step 3: Cross multiply
    106,386.20x = 146,802.13 × 61,053.33
  4. Step 4: Simplify right side
    106,386.20x = 8,962,758,887.59
  5. Step 5: Solve for x
    x = 8,962,758,887.59/106,386.20
  6. Step 6: Final answer
    x = 84,247.38

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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.