Home / 121,205.04-167,259.52-66,013.11

Finding the Fourth Proportional to 121,205.04, 167,259.52 and 66,013.11

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Solution

The fourth proportional to 121,205.04, 167,259.52 and 66,013.11 is: 91,096.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,205.04 : 167,259.52 = 66,013.11 : x
  2. Step 2: Convert to fraction form
    121,205.04/167,259.52 = 66,013.11/x
  3. Step 3: Cross multiply
    121,205.04x = 167,259.52 × 66,013.11
  4. Step 4: Simplify right side
    121,205.04x = 11,041,320,256.01
  5. Step 5: Solve for x
    x = 11,041,320,256.01/121,205.04
  6. Step 6: Final answer
    x = 91,096.22

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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.