Home / 187,147.86-280,638.40-53,996.46

Finding the Fourth Proportional to 187,147.86, 280,638.40 and 53,996.46

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Solution

The fourth proportional to 187,147.86, 280,638.40 and 53,996.46 is: 80,970.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,147.86 : 280,638.40 = 53,996.46 : x
  2. Step 2: Convert to fraction form
    187,147.86/280,638.40 = 53,996.46/x
  3. Step 3: Cross multiply
    187,147.86x = 280,638.40 × 53,996.46
  4. Step 4: Simplify right side
    187,147.86x = 15,153,480,140.06
  5. Step 5: Solve for x
    x = 15,153,480,140.06/187,147.86
  6. Step 6: Final answer
    x = 80,970.63

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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.