Home / 149,577.17-206,492.69-115,509.18

Finding the Fourth Proportional to 149,577.17, 206,492.69 and 115,509.18

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Solution

The fourth proportional to 149,577.17, 206,492.69 and 115,509.18 is: 159,461.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,577.17 : 206,492.69 = 115,509.18 : x
  2. Step 2: Convert to fraction form
    149,577.17/206,492.69 = 115,509.18/x
  3. Step 3: Cross multiply
    149,577.17x = 206,492.69 × 115,509.18
  4. Step 4: Simplify right side
    149,577.17x = 23,851,800,720.35
  5. Step 5: Solve for x
    x = 23,851,800,720.35/149,577.17
  6. Step 6: Final answer
    x = 159,461.50

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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.