Home / 103,623.10-142,994.36-61,166.14

Finding the Fourth Proportional to 103,623.10, 142,994.36 and 61,166.14

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Solution

The fourth proportional to 103,623.10, 142,994.36 and 61,166.14 is: 84,406.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,623.10 : 142,994.36 = 61,166.14 : x
  2. Step 2: Convert to fraction form
    103,623.10/142,994.36 = 61,166.14/x
  3. Step 3: Cross multiply
    103,623.10x = 142,994.36 × 61,166.14
  4. Step 4: Simplify right side
    103,623.10x = 8,746,413,042.97
  5. Step 5: Solve for x
    x = 8,746,413,042.97/103,623.10
  6. Step 6: Final answer
    x = 84,406.02

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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.