Home / 103,623.19-142,999.28-58,911.19

Finding the Fourth Proportional to 103,623.19, 142,999.28 and 58,911.19

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Solution

The fourth proportional to 103,623.19, 142,999.28 and 58,911.19 is: 81,297.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,623.19 : 142,999.28 = 58,911.19 : x
  2. Step 2: Convert to fraction form
    103,623.19/142,999.28 = 58,911.19/x
  3. Step 3: Cross multiply
    103,623.19x = 142,999.28 × 58,911.19
  4. Step 4: Simplify right side
    103,623.19x = 8,424,257,753.94
  5. Step 5: Solve for x
    x = 8,424,257,753.94/103,623.19
  6. Step 6: Final answer
    x = 81,297.03

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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.