Home / 210,149.16-290,005.84-134,697.66

Finding the Fourth Proportional to 210,149.16, 290,005.84 and 134,697.66

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Solution

The fourth proportional to 210,149.16, 290,005.84 and 134,697.66 is: 185,882.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,149.16 : 290,005.84 = 134,697.66 : x
  2. Step 2: Convert to fraction form
    210,149.16/290,005.84 = 134,697.66/x
  3. Step 3: Cross multiply
    210,149.16x = 290,005.84 × 134,697.66
  4. Step 4: Simplify right side
    210,149.16x = 39,063,107,697.59
  5. Step 5: Solve for x
    x = 39,063,107,697.59/210,149.16
  6. Step 6: Final answer
    x = 185,882.77

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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.