Home / 119,938.02-165,520.95-66,222.87

Finding the Fourth Proportional to 119,938.02, 165,520.95 and 66,222.87

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Solution

The fourth proportional to 119,938.02, 165,520.95 and 66,222.87 is: 91,391.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,938.02 : 165,520.95 = 66,222.87 : x
  2. Step 2: Convert to fraction form
    119,938.02/165,520.95 = 66,222.87/x
  3. Step 3: Cross multiply
    119,938.02x = 165,520.95 × 66,222.87
  4. Step 4: Simplify right side
    119,938.02x = 10,961,272,354.13
  5. Step 5: Solve for x
    x = 10,961,272,354.13/119,938.02
  6. Step 6: Final answer
    x = 91,391.14

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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.