Home / 212,299.61-292,971.20-115,506.41

Finding the Fourth Proportional to 212,299.61, 292,971.20 and 115,506.41

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Solution

The fourth proportional to 212,299.61, 292,971.20 and 115,506.41 is: 159,397.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,299.61 : 292,971.20 = 115,506.41 : x
  2. Step 2: Convert to fraction form
    212,299.61/292,971.20 = 115,506.41/x
  3. Step 3: Cross multiply
    212,299.61x = 292,971.20 × 115,506.41
  4. Step 4: Simplify right side
    212,299.61x = 33,840,050,477.59
  5. Step 5: Solve for x
    x = 33,840,050,477.59/212,299.61
  6. Step 6: Final answer
    x = 159,397.61

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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.