Home / 210,324.16-290,243.40-119,678.08

Finding the Fourth Proportional to 210,324.16, 290,243.40 and 119,678.08

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Solution

The fourth proportional to 210,324.16, 290,243.40 and 119,678.08 is: 165,153.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,324.16 : 290,243.40 = 119,678.08 : x
  2. Step 2: Convert to fraction form
    210,324.16/290,243.40 = 119,678.08/x
  3. Step 3: Cross multiply
    210,324.16x = 290,243.40 × 119,678.08
  4. Step 4: Simplify right side
    210,324.16x = 34,735,772,844.67
  5. Step 5: Solve for x
    x = 34,735,772,844.67/210,324.16
  6. Step 6: Final answer
    x = 165,153.51

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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.