Home / 105,248.64-145,245.92-57,501.60

Finding the Fourth Proportional to 105,248.64, 145,245.92 and 57,501.60

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Solution

The fourth proportional to 105,248.64, 145,245.92 and 57,501.60 is: 79,353.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,248.64 : 145,245.92 = 57,501.60 : x
  2. Step 2: Convert to fraction form
    105,248.64/145,245.92 = 57,501.60/x
  3. Step 3: Cross multiply
    105,248.64x = 145,245.92 × 57,501.60
  4. Step 4: Simplify right side
    105,248.64x = 8,351,872,793.47
  5. Step 5: Solve for x
    x = 8,351,872,793.47/105,248.64
  6. Step 6: Final answer
    x = 79,353.74

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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.