Home / 210,317.56-290,226.86-119,670.84

Finding the Fourth Proportional to 210,317.56, 290,226.86 and 119,670.84

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Solution

The fourth proportional to 210,317.56, 290,226.86 and 119,670.84 is: 165,139.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,317.56 : 290,226.86 = 119,670.84 : x
  2. Step 2: Convert to fraction form
    210,317.56/290,226.86 = 119,670.84/x
  3. Step 3: Cross multiply
    210,317.56x = 290,226.86 × 119,670.84
  4. Step 4: Simplify right side
    210,317.56x = 34,731,692,126.76
  5. Step 5: Solve for x
    x = 34,731,692,126.76/210,317.56
  6. Step 6: Final answer
    x = 165,139.29

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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.