Home / 121,400.97-167,545.59-70,429.29

Finding the Fourth Proportional to 121,400.97, 167,545.59 and 70,429.29

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Solution

The fourth proportional to 121,400.97, 167,545.59 and 70,429.29 is: 97,199.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,400.97 : 167,545.59 = 70,429.29 : x
  2. Step 2: Convert to fraction form
    121,400.97/167,545.59 = 70,429.29/x
  3. Step 3: Cross multiply
    121,400.97x = 167,545.59 × 70,429.29
  4. Step 4: Simplify right side
    121,400.97x = 11,800,116,946.33
  5. Step 5: Solve for x
    x = 11,800,116,946.33/121,400.97
  6. Step 6: Final answer
    x = 97,199.53

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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.