Home / 121,210.89-167,300.46-70,215.36

Finding the Fourth Proportional to 121,210.89, 167,300.46 and 70,215.36

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Solution

The fourth proportional to 121,210.89, 167,300.46 and 70,215.36 is: 96,914.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,210.89 : 167,300.46 = 70,215.36 : x
  2. Step 2: Convert to fraction form
    121,210.89/167,300.46 = 70,215.36/x
  3. Step 3: Cross multiply
    121,210.89x = 167,300.46 × 70,215.36
  4. Step 4: Simplify right side
    121,210.89x = 11,747,062,027.07
  5. Step 5: Solve for x
    x = 11,747,062,027.07/121,210.89
  6. Step 6: Final answer
    x = 96,914.25

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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.