Home / 210,542.51-290,578.30-134,037.15

Finding the Fourth Proportional to 210,542.51, 290,578.30 and 134,037.15

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Solution

The fourth proportional to 210,542.51, 290,578.30 and 134,037.15 is: 184,990.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,542.51 : 290,578.30 = 134,037.15 : x
  2. Step 2: Convert to fraction form
    210,542.51/290,578.30 = 134,037.15/x
  3. Step 3: Cross multiply
    210,542.51x = 290,578.30 × 134,037.15
  4. Step 4: Simplify right side
    210,542.51x = 38,948,287,183.85
  5. Step 5: Solve for x
    x = 38,948,287,183.85/210,542.51
  6. Step 6: Final answer
    x = 184,990.13

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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.