Home / 164,964.60-247,965.30-161,854.20

Finding the Fourth Proportional to 164,964.60, 247,965.30 and 161,854.20

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Solution

The fourth proportional to 164,964.60, 247,965.30 and 161,854.20 is: 243,289.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,964.60 : 247,965.30 = 161,854.20 : x
  2. Step 2: Convert to fraction form
    164,964.60/247,965.30 = 161,854.20/x
  3. Step 3: Cross multiply
    164,964.60x = 247,965.30 × 161,854.20
  4. Step 4: Simplify right side
    164,964.60x = 40,134,225,259.26
  5. Step 5: Solve for x
    x = 40,134,225,259.26/164,964.60
  6. Step 6: Final answer
    x = 243,289.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.