Home / 210,283.38-290,180.93-119,630.79

Finding the Fourth Proportional to 210,283.38, 290,180.93 and 119,630.79

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Solution

The fourth proportional to 210,283.38, 290,180.93 and 119,630.79 is: 165,084.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,283.38 : 290,180.93 = 119,630.79 : x
  2. Step 2: Convert to fraction form
    210,283.38/290,180.93 = 119,630.79/x
  3. Step 3: Cross multiply
    210,283.38x = 290,180.93 × 119,630.79
  4. Step 4: Simplify right side
    210,283.38x = 34,714,573,300.68
  5. Step 5: Solve for x
    x = 34,714,573,300.68/210,283.38
  6. Step 6: Final answer
    x = 165,084.72

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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.