Home / 210,330.22-290,281.17-119,708.23

Finding the Fourth Proportional to 210,330.22, 290,281.17 and 119,708.23

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Solution

The fourth proportional to 210,330.22, 290,281.17 and 119,708.23 is: 165,211.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,330.22 : 290,281.17 = 119,708.23 : x
  2. Step 2: Convert to fraction form
    210,330.22/290,281.17 = 119,708.23/x
  3. Step 3: Cross multiply
    210,330.22x = 290,281.17 × 119,708.23
  4. Step 4: Simplify right side
    210,330.22x = 34,749,045,063.03
  5. Step 5: Solve for x
    x = 34,749,045,063.03/210,330.22
  6. Step 6: Final answer
    x = 165,211.85

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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.