Home / 104,371.04-144,106.93-64,138.75

Finding the Fourth Proportional to 104,371.04, 144,106.93 and 64,138.75

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Solution

The fourth proportional to 104,371.04, 144,106.93 and 64,138.75 is: 88,557.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,371.04 : 144,106.93 = 64,138.75 : x
  2. Step 2: Convert to fraction form
    104,371.04/144,106.93 = 64,138.75/x
  3. Step 3: Cross multiply
    104,371.04x = 144,106.93 × 64,138.75
  4. Step 4: Simplify right side
    104,371.04x = 9,242,838,076.44
  5. Step 5: Solve for x
    x = 9,242,838,076.44/104,371.04
  6. Step 6: Final answer
    x = 88,557.50

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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.