Home / 210,329.22-290,279.79-119,707.23

Finding the Fourth Proportional to 210,329.22, 290,279.79 and 119,707.23

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Solution

The fourth proportional to 210,329.22, 290,279.79 and 119,707.23 is: 165,210.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,329.22 : 290,279.79 = 119,707.23 : x
  2. Step 2: Convert to fraction form
    210,329.22/290,279.79 = 119,707.23/x
  3. Step 3: Cross multiply
    210,329.22x = 290,279.79 × 119,707.23
  4. Step 4: Simplify right side
    210,329.22x = 34,748,589,585.88
  5. Step 5: Solve for x
    x = 34,748,589,585.88/210,329.22
  6. Step 6: Final answer
    x = 165,210.47

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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.