Home / 210,797.18-290,818.38-134,302.58

Finding the Fourth Proportional to 210,797.18, 290,818.38 and 134,302.58

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Solution

The fourth proportional to 210,797.18, 290,818.38 and 134,302.58 is: 185,285.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,797.18 : 290,818.38 = 134,302.58 : x
  2. Step 2: Convert to fraction form
    210,797.18/290,818.38 = 134,302.58/x
  3. Step 3: Cross multiply
    210,797.18x = 290,818.38 × 134,302.58
  4. Step 4: Simplify right side
    210,797.18x = 39,057,658,745.42
  5. Step 5: Solve for x
    x = 39,057,658,745.42/210,797.18
  6. Step 6: Final answer
    x = 185,285.49

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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.