Home / 187,242.51-280,615.37-81,946.83

Finding the Fourth Proportional to 187,242.51, 280,615.37 and 81,946.83

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Solution

The fourth proportional to 187,242.51, 280,615.37 and 81,946.83 is: 122,811.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,242.51 : 280,615.37 = 81,946.83 : x
  2. Step 2: Convert to fraction form
    187,242.51/280,615.37 = 81,946.83/x
  3. Step 3: Cross multiply
    187,242.51x = 280,615.37 × 81,946.83
  4. Step 4: Simplify right side
    187,242.51x = 22,995,539,611.04
  5. Step 5: Solve for x
    x = 22,995,539,611.04/187,242.51
  6. Step 6: Final answer
    x = 122,811.53

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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.