Home / 210,140.27-290,001.71-119,504.51

Finding the Fourth Proportional to 210,140.27, 290,001.71 and 119,504.51

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Solution

The fourth proportional to 210,140.27, 290,001.71 and 119,504.51 is: 164,920.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,140.27 : 290,001.71 = 119,504.51 : x
  2. Step 2: Convert to fraction form
    210,140.27/290,001.71 = 119,504.51/x
  3. Step 3: Cross multiply
    210,140.27x = 290,001.71 × 119,504.51
  4. Step 4: Simplify right side
    210,140.27x = 34,656,511,655.19
  5. Step 5: Solve for x
    x = 34,656,511,655.19/210,140.27
  6. Step 6: Final answer
    x = 164,920.85

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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.