Home / 212,089.07-292,688.51-115,299.44

Finding the Fourth Proportional to 212,089.07, 292,688.51 and 115,299.44

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Solution

The fourth proportional to 212,089.07, 292,688.51 and 115,299.44 is: 159,116.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,089.07 : 292,688.51 = 115,299.44 : x
  2. Step 2: Convert to fraction form
    212,089.07/292,688.51 = 115,299.44/x
  3. Step 3: Cross multiply
    212,089.07x = 292,688.51 × 115,299.44
  4. Step 4: Simplify right side
    212,089.07x = 33,746,819,257.49
  5. Step 5: Solve for x
    x = 33,746,819,257.49/212,089.07
  6. Step 6: Final answer
    x = 159,116.26

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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.