Home / 121,305.39-167,402.10-70,348.33

Finding the Fourth Proportional to 121,305.39, 167,402.10 and 70,348.33

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Solution

The fourth proportional to 121,305.39, 167,402.10 and 70,348.33 is: 97,081.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,305.39 : 167,402.10 = 70,348.33 : x
  2. Step 2: Convert to fraction form
    121,305.39/167,402.10 = 70,348.33/x
  3. Step 3: Cross multiply
    121,305.39x = 167,402.10 × 70,348.33
  4. Step 4: Simplify right side
    121,305.39x = 11,776,459,065.06
  5. Step 5: Solve for x
    x = 11,776,459,065.06/121,305.39
  6. Step 6: Final answer
    x = 97,081.09

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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.