Home / 99,722.35-149,455.54-43,547.23

Finding the Fourth Proportional to 99,722.35, 149,455.54 and 43,547.23

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Solution

The fourth proportional to 99,722.35, 149,455.54 and 43,547.23 is: 65,264.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,722.35 : 149,455.54 = 43,547.23 : x
  2. Step 2: Convert to fraction form
    99,722.35/149,455.54 = 43,547.23/x
  3. Step 3: Cross multiply
    99,722.35x = 149,455.54 × 43,547.23
  4. Step 4: Simplify right side
    99,722.35x = 6,508,374,775.15
  5. Step 5: Solve for x
    x = 6,508,374,775.15/99,722.35
  6. Step 6: Final answer
    x = 65,264.96

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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.