Home / 101,221.77-151,925.25-51,336.30

Finding the Fourth Proportional to 101,221.77, 151,925.25 and 51,336.30

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Solution

The fourth proportional to 101,221.77, 151,925.25 and 51,336.30 is: 77,051.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,221.77 : 151,925.25 = 51,336.30 : x
  2. Step 2: Convert to fraction form
    101,221.77/151,925.25 = 51,336.30/x
  3. Step 3: Cross multiply
    101,221.77x = 151,925.25 × 51,336.30
  4. Step 4: Simplify right side
    101,221.77x = 7,799,280,211.58
  5. Step 5: Solve for x
    x = 7,799,280,211.58/101,221.77
  6. Step 6: Final answer
    x = 77,051.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.