Home / 212,040.34-292,617.90-115,244.18

Finding the Fourth Proportional to 212,040.34, 292,617.90 and 115,244.18

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Solution

The fourth proportional to 212,040.34, 292,617.90 and 115,244.18 is: 159,038.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,040.34 : 292,617.90 = 115,244.18 : x
  2. Step 2: Convert to fraction form
    212,040.34/292,617.90 = 115,244.18/x
  3. Step 3: Cross multiply
    212,040.34x = 292,617.90 × 115,244.18
  4. Step 4: Simplify right side
    212,040.34x = 33,722,509,938.82
  5. Step 5: Solve for x
    x = 33,722,509,938.82/212,040.34
  6. Step 6: Final answer
    x = 159,038.18

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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.