Home / 99,865.08-149,888.34-53,157.24

Finding the Fourth Proportional to 99,865.08, 149,888.34 and 53,157.24

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Solution

The fourth proportional to 99,865.08, 149,888.34 and 53,157.24 is: 79,784.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,865.08 : 149,888.34 = 53,157.24 : x
  2. Step 2: Convert to fraction form
    99,865.08/149,888.34 = 53,157.24/x
  3. Step 3: Cross multiply
    99,865.08x = 149,888.34 × 53,157.24
  4. Step 4: Simplify right side
    99,865.08x = 7,967,650,462.58
  5. Step 5: Solve for x
    x = 7,967,650,462.58/99,865.08
  6. Step 6: Final answer
    x = 79,784.15

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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.