Home / 210,506.42-290,488.29-114,995.54

Finding the Fourth Proportional to 210,506.42, 290,488.29 and 114,995.54

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Solution

The fourth proportional to 210,506.42, 290,488.29 and 114,995.54 is: 158,688.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,506.42 : 290,488.29 = 114,995.54 : x
  2. Step 2: Convert to fraction form
    210,506.42/290,488.29 = 114,995.54/x
  3. Step 3: Cross multiply
    210,506.42x = 290,488.29 × 114,995.54
  4. Step 4: Simplify right side
    210,506.42x = 33,404,857,772.23
  5. Step 5: Solve for x
    x = 33,404,857,772.23/210,506.42
  6. Step 6: Final answer
    x = 158,688.07

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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.