Home / 210,177.42-290,044.85-134,725.92

Finding the Fourth Proportional to 210,177.42, 290,044.85 and 134,725.92

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Solution

The fourth proportional to 210,177.42, 290,044.85 and 134,725.92 is: 185,921.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,177.42 : 290,044.85 = 134,725.92 : x
  2. Step 2: Convert to fraction form
    210,177.42/290,044.85 = 134,725.92/x
  3. Step 3: Cross multiply
    210,177.42x = 290,044.85 × 134,725.92
  4. Step 4: Simplify right side
    210,177.42x = 39,076,559,257.51
  5. Step 5: Solve for x
    x = 39,076,559,257.51/210,177.42
  6. Step 6: Final answer
    x = 185,921.78

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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.