Home / 119,935.02-165,512.90-66,223.42

Finding the Fourth Proportional to 119,935.02, 165,512.90 and 66,223.42

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Solution

The fourth proportional to 119,935.02, 165,512.90 and 66,223.42 is: 91,389.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,935.02 : 165,512.90 = 66,223.42 : x
  2. Step 2: Convert to fraction form
    119,935.02/165,512.90 = 66,223.42/x
  3. Step 3: Cross multiply
    119,935.02x = 165,512.90 × 66,223.42
  4. Step 4: Simplify right side
    119,935.02x = 10,960,830,292.12
  5. Step 5: Solve for x
    x = 10,960,830,292.12/119,935.02
  6. Step 6: Final answer
    x = 91,389.74

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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.