Home / 210,255.12-290,156.52-119,608.08

Finding the Fourth Proportional to 210,255.12, 290,156.52 and 119,608.08

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Solution

The fourth proportional to 210,255.12, 290,156.52 and 119,608.08 is: 165,061.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,255.12 : 290,156.52 = 119,608.08 : x
  2. Step 2: Convert to fraction form
    210,255.12/290,156.52 = 119,608.08/x
  3. Step 3: Cross multiply
    210,255.12x = 290,156.52 × 119,608.08
  4. Step 4: Simplify right side
    210,255.12x = 34,705,064,256.68
  5. Step 5: Solve for x
    x = 34,705,064,256.68/210,255.12
  6. Step 6: Final answer
    x = 165,061.68

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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.