Home / 212,119.92-292,683.48-118,988.61

Finding the Fourth Proportional to 212,119.92, 292,683.48 and 118,988.61

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Solution

The fourth proportional to 212,119.92, 292,683.48 and 118,988.61 is: 164,180.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,119.92 : 292,683.48 = 118,988.61 : x
  2. Step 2: Convert to fraction form
    212,119.92/292,683.48 = 118,988.61/x
  3. Step 3: Cross multiply
    212,119.92x = 292,683.48 × 118,988.61
  4. Step 4: Simplify right side
    212,119.92x = 34,826,000,455.16
  5. Step 5: Solve for x
    x = 34,826,000,455.16/212,119.92
  6. Step 6: Final answer
    x = 164,180.72

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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.