Home / 121,748.07-168,009.09-68,033.52

Finding the Fourth Proportional to 121,748.07, 168,009.09 and 68,033.52

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Solution

The fourth proportional to 121,748.07, 168,009.09 and 68,033.52 is: 93,884.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,748.07 : 168,009.09 = 68,033.52 : x
  2. Step 2: Convert to fraction form
    121,748.07/168,009.09 = 68,033.52/x
  3. Step 3: Cross multiply
    121,748.07x = 168,009.09 × 68,033.52
  4. Step 4: Simplify right side
    121,748.07x = 11,430,249,784.70
  5. Step 5: Solve for x
    x = 11,430,249,784.70/121,748.07
  6. Step 6: Final answer
    x = 93,884.44

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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.