Home / 107,335.54-148,021.04-78,237.46

Finding the Fourth Proportional to 107,335.54, 148,021.04 and 78,237.46

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Solution

The fourth proportional to 107,335.54, 148,021.04 and 78,237.46 is: 107,893.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,335.54 : 148,021.04 = 78,237.46 : x
  2. Step 2: Convert to fraction form
    107,335.54/148,021.04 = 78,237.46/x
  3. Step 3: Cross multiply
    107,335.54x = 148,021.04 × 78,237.46
  4. Step 4: Simplify right side
    107,335.54x = 11,580,789,728.31
  5. Step 5: Solve for x
    x = 11,580,789,728.31/107,335.54
  6. Step 6: Final answer
    x = 107,893.34

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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.