Home / 103,212.03-142,300.74-66,849.24

Finding the Fourth Proportional to 103,212.03, 142,300.74 and 66,849.24

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Solution

The fourth proportional to 103,212.03, 142,300.74 and 66,849.24 is: 92,166.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,212.03 : 142,300.74 = 66,849.24 : x
  2. Step 2: Convert to fraction form
    103,212.03/142,300.74 = 66,849.24/x
  3. Step 3: Cross multiply
    103,212.03x = 142,300.74 × 66,849.24
  4. Step 4: Simplify right side
    103,212.03x = 9,512,696,320.44
  5. Step 5: Solve for x
    x = 9,512,696,320.44/103,212.03
  6. Step 6: Final answer
    x = 92,166.55

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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.