Home / 99,257.42-148,802.45-43,055.21

Finding the Fourth Proportional to 99,257.42, 148,802.45 and 43,055.21

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Solution

The fourth proportional to 99,257.42, 148,802.45 and 43,055.21 is: 64,546.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,257.42 : 148,802.45 = 43,055.21 : x
  2. Step 2: Convert to fraction form
    99,257.42/148,802.45 = 43,055.21/x
  3. Step 3: Cross multiply
    99,257.42x = 148,802.45 × 43,055.21
  4. Step 4: Simplify right side
    99,257.42x = 6,406,720,889.99
  5. Step 5: Solve for x
    x = 6,406,720,889.99/99,257.42
  6. Step 6: Final answer
    x = 64,546.52

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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.