Home / 118,851.04-164,010.72-65,135.08

Finding the Fourth Proportional to 118,851.04, 164,010.72 and 65,135.08

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Solution

The fourth proportional to 118,851.04, 164,010.72 and 65,135.08 is: 89,884.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,851.04 : 164,010.72 = 65,135.08 : x
  2. Step 2: Convert to fraction form
    118,851.04/164,010.72 = 65,135.08/x
  3. Step 3: Cross multiply
    118,851.04x = 164,010.72 × 65,135.08
  4. Step 4: Simplify right side
    118,851.04x = 10,682,851,368.06
  5. Step 5: Solve for x
    x = 10,682,851,368.06/118,851.04
  6. Step 6: Final answer
    x = 89,884.37

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1.5x scale

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.