Home / 97,019.20-133,845.12-55,604.28

Finding the Fourth Proportional to 97,019.20, 133,845.12 and 55,604.28

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Solution

The fourth proportional to 97,019.20, 133,845.12 and 55,604.28 is: 76,710.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,019.20 : 133,845.12 = 55,604.28 : x
  2. Step 2: Convert to fraction form
    97,019.20/133,845.12 = 55,604.28/x
  3. Step 3: Cross multiply
    97,019.20x = 133,845.12 × 55,604.28
  4. Step 4: Simplify right side
    97,019.20x = 7,442,361,529.11
  5. Step 5: Solve for x
    x = 7,442,361,529.11/97,019.20
  6. Step 6: Final answer
    x = 76,710.19

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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.