Home / 212,787.36-293,664.24-117,312.72

Finding the Fourth Proportional to 212,787.36, 293,664.24 and 117,312.72

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Solution

The fourth proportional to 212,787.36, 293,664.24 and 117,312.72 is: 161,901.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,787.36 : 293,664.24 = 117,312.72 : x
  2. Step 2: Convert to fraction form
    212,787.36/293,664.24 = 117,312.72/x
  3. Step 3: Cross multiply
    212,787.36x = 293,664.24 × 117,312.72
  4. Step 4: Simplify right side
    212,787.36x = 34,450,550,761.13
  5. Step 5: Solve for x
    x = 34,450,550,761.13/212,787.36
  6. Step 6: Final answer
    x = 161,901.30

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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.