Home / 210,281.85-290,185.22-119,635.86

Finding the Fourth Proportional to 210,281.85, 290,185.22 and 119,635.86

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Solution

The fourth proportional to 210,281.85, 290,185.22 and 119,635.86 is: 165,095.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,281.85 : 290,185.22 = 119,635.86 : x
  2. Step 2: Convert to fraction form
    210,281.85/290,185.22 = 119,635.86/x
  3. Step 3: Cross multiply
    210,281.85x = 290,185.22 × 119,635.86
  4. Step 4: Simplify right side
    210,281.85x = 34,716,559,741.27
  5. Step 5: Solve for x
    x = 34,716,559,741.27/210,281.85
  6. Step 6: Final answer
    x = 165,095.37

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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.