Home / 221,346.42-305,459.01-120,746.58

Finding the Fourth Proportional to 221,346.42, 305,459.01 and 120,746.58

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Solution

The fourth proportional to 221,346.42, 305,459.01 and 120,746.58 is: 166,630.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,346.42 : 305,459.01 = 120,746.58 : x
  2. Step 2: Convert to fraction form
    221,346.42/305,459.01 = 120,746.58/x
  3. Step 3: Cross multiply
    221,346.42x = 305,459.01 × 120,746.58
  4. Step 4: Simplify right side
    221,346.42x = 36,883,130,787.69
  5. Step 5: Solve for x
    x = 36,883,130,787.69/221,346.42
  6. Step 6: Final answer
    x = 166,630.80

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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.