Home / 162,701.30-243,958.51-86,706.28

Finding the Fourth Proportional to 162,701.30, 243,958.51 and 86,706.28

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Solution

The fourth proportional to 162,701.30, 243,958.51 and 86,706.28 is: 130,009.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,701.30 : 243,958.51 = 86,706.28 : x
  2. Step 2: Convert to fraction form
    162,701.30/243,958.51 = 86,706.28/x
  3. Step 3: Cross multiply
    162,701.30x = 243,958.51 × 86,706.28
  4. Step 4: Simplify right side
    162,701.30x = 21,152,733,917.51
  5. Step 5: Solve for x
    x = 21,152,733,917.51/162,701.30
  6. Step 6: Final answer
    x = 130,009.62

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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.