Home / 107,237.36-147,991.50-64,787.66

Finding the Fourth Proportional to 107,237.36, 147,991.50 and 64,787.66

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Solution

The fourth proportional to 107,237.36, 147,991.50 and 64,787.66 is: 89,409.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,237.36 : 147,991.50 = 64,787.66 : x
  2. Step 2: Convert to fraction form
    107,237.36/147,991.50 = 64,787.66/x
  3. Step 3: Cross multiply
    107,237.36x = 147,991.50 × 64,787.66
  4. Step 4: Simplify right side
    107,237.36x = 9,588,022,984.89
  5. Step 5: Solve for x
    x = 9,588,022,984.89/107,237.36
  6. Step 6: Final answer
    x = 89,409.35

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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.