Home / 149,720.33-206,547.75-101,305.01

Finding the Fourth Proportional to 149,720.33, 206,547.75 and 101,305.01

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Solution

The fourth proportional to 149,720.33, 206,547.75 and 101,305.01 is: 139,756.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,720.33 : 206,547.75 = 101,305.01 : x
  2. Step 2: Convert to fraction form
    149,720.33/206,547.75 = 101,305.01/x
  3. Step 3: Cross multiply
    149,720.33x = 206,547.75 × 101,305.01
  4. Step 4: Simplify right side
    149,720.33x = 20,924,320,846.49
  5. Step 5: Solve for x
    x = 20,924,320,846.49/149,720.33
  6. Step 6: Final answer
    x = 139,756.05

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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.