Home / 121,860.02-168,159.85-67,408.94

Finding the Fourth Proportional to 121,860.02, 168,159.85 and 67,408.94

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Solution

The fourth proportional to 121,860.02, 168,159.85 and 67,408.94 is: 93,020.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,860.02 : 168,159.85 = 67,408.94 : x
  2. Step 2: Convert to fraction form
    121,860.02/168,159.85 = 67,408.94/x
  3. Step 3: Cross multiply
    121,860.02x = 168,159.85 × 67,408.94
  4. Step 4: Simplify right side
    121,860.02x = 11,335,477,239.06
  5. Step 5: Solve for x
    x = 11,335,477,239.06/121,860.02
  6. Step 6: Final answer
    x = 93,020.48

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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.