Home / 119,941.43-165,518.10-66,225.29

Finding the Fourth Proportional to 119,941.43, 165,518.10 and 66,225.29

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Solution

The fourth proportional to 119,941.43, 165,518.10 and 66,225.29 is: 91,390.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,941.43 : 165,518.10 = 66,225.29 : x
  2. Step 2: Convert to fraction form
    119,941.43/165,518.10 = 66,225.29/x
  3. Step 3: Cross multiply
    119,941.43x = 165,518.10 × 66,225.29
  4. Step 4: Simplify right side
    119,941.43x = 10,961,483,345.16
  5. Step 5: Solve for x
    x = 10,961,483,345.16/119,941.43
  6. Step 6: Final answer
    x = 91,390.30

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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.