Home / 210,160.50-290,021.52-134,709.18

Finding the Fourth Proportional to 210,160.50, 290,021.52 and 134,709.18

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Solution

The fourth proportional to 210,160.50, 290,021.52 and 134,709.18 is: 185,898.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,160.50 : 290,021.52 = 134,709.18 : x
  2. Step 2: Convert to fraction form
    210,160.50/290,021.52 = 134,709.18/x
  3. Step 3: Cross multiply
    210,160.50x = 290,021.52 × 134,709.18
  4. Step 4: Simplify right side
    210,160.50x = 39,068,561,141.55
  5. Step 5: Solve for x
    x = 39,068,561,141.55/210,160.50
  6. Step 6: Final answer
    x = 185,898.69

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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.