Home / 144,670.08-199,657.80-80,145.48

Finding the Fourth Proportional to 144,670.08, 199,657.80 and 80,145.48

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Solution

The fourth proportional to 144,670.08, 199,657.80 and 80,145.48 is: 110,608.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,670.08 : 199,657.80 = 80,145.48 : x
  2. Step 2: Convert to fraction form
    144,670.08/199,657.80 = 80,145.48/x
  3. Step 3: Cross multiply
    144,670.08x = 199,657.80 × 80,145.48
  4. Step 4: Simplify right side
    144,670.08x = 16,001,670,216.74
  5. Step 5: Solve for x
    x = 16,001,670,216.74/144,670.08
  6. Step 6: Final answer
    x = 110,608.01

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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.