Home / 212,280.78-292,947.05-116,787.25

Finding the Fourth Proportional to 212,280.78, 292,947.05 and 116,787.25

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Solution

The fourth proportional to 212,280.78, 292,947.05 and 116,787.25 is: 161,166.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,280.78 : 292,947.05 = 116,787.25 : x
  2. Step 2: Convert to fraction form
    212,280.78/292,947.05 = 116,787.25/x
  3. Step 3: Cross multiply
    212,280.78x = 292,947.05 × 116,787.25
  4. Step 4: Simplify right side
    212,280.78x = 34,212,480,147.36
  5. Step 5: Solve for x
    x = 34,212,480,147.36/212,280.78
  6. Step 6: Final answer
    x = 161,166.17

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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.