Home / 147,917.64-221,787.58-57,853

Finding the Fourth Proportional to 147,917.64, 221,787.58 and 57,853

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Solution

The fourth proportional to 147,917.64, 221,787.58 and 57,853 is: 86,744.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,917.64 : 221,787.58 = 57,853 : x
  2. Step 2: Convert to fraction form
    147,917.64/221,787.58 = 57,853/x
  3. Step 3: Cross multiply
    147,917.64x = 221,787.58 × 57,853
  4. Step 4: Simplify right side
    147,917.64x = 12,831,076,865.74
  5. Step 5: Solve for x
    x = 12,831,076,865.74/147,917.64
  6. Step 6: Final answer
    x = 86,744.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.