Home / 187,237.20-280,855.80-134,749.20

Finding the Fourth Proportional to 187,237.20, 280,855.80 and 134,749.20

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Solution

The fourth proportional to 187,237.20, 280,855.80 and 134,749.20 is: 202,123.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,237.20 : 280,855.80 = 134,749.20 : x
  2. Step 2: Convert to fraction form
    187,237.20/280,855.80 = 134,749.20/x
  3. Step 3: Cross multiply
    187,237.20x = 280,855.80 × 134,749.20
  4. Step 4: Simplify right side
    187,237.20x = 37,845,094,365.36
  5. Step 5: Solve for x
    x = 37,845,094,365.36/187,237.20
  6. Step 6: Final answer
    x = 202,123.80

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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.