Home / 121,263.83-167,345.87-70,280.33

Finding the Fourth Proportional to 121,263.83, 167,345.87 and 70,280.33

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Solution

The fourth proportional to 121,263.83, 167,345.87 and 70,280.33 is: 96,987.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,263.83 : 167,345.87 = 70,280.33 : x
  2. Step 2: Convert to fraction form
    121,263.83/167,345.87 = 70,280.33/x
  3. Step 3: Cross multiply
    121,263.83x = 167,345.87 × 70,280.33
  4. Step 4: Simplify right side
    121,263.83x = 11,761,122,616.34
  5. Step 5: Solve for x
    x = 11,761,122,616.34/121,263.83
  6. Step 6: Final answer
    x = 96,987.89

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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.