Home / 99,782.19-149,693.00-36,602.90

Finding the Fourth Proportional to 99,782.19, 149,693.00 and 36,602.90

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Solution

The fourth proportional to 99,782.19, 149,693.00 and 36,602.90 is: 54,911.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,782.19 : 149,693.00 = 36,602.90 : x
  2. Step 2: Convert to fraction form
    99,782.19/149,693.00 = 36,602.90/x
  3. Step 3: Cross multiply
    99,782.19x = 149,693.00 × 36,602.90
  4. Step 4: Simplify right side
    99,782.19x = 5,479,197,302.60
  5. Step 5: Solve for x
    x = 5,479,197,302.60/99,782.19
  6. Step 6: Final answer
    x = 54,911.58

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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.