Home / 115,417.47-172,984.93-65,539.29

Finding the Fourth Proportional to 115,417.47, 172,984.93 and 65,539.29

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Solution

The fourth proportional to 115,417.47, 172,984.93 and 65,539.29 is: 98,228.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,417.47 : 172,984.93 = 65,539.29 : x
  2. Step 2: Convert to fraction form
    115,417.47/172,984.93 = 65,539.29/x
  3. Step 3: Cross multiply
    115,417.47x = 172,984.93 × 65,539.29
  4. Step 4: Simplify right side
    115,417.47x = 11,337,309,492.90
  5. Step 5: Solve for x
    x = 11,337,309,492.90/115,417.47
  6. Step 6: Final answer
    x = 98,228.71

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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.