Home / 210,290.78-290,197.26-114,798.14

Finding the Fourth Proportional to 210,290.78, 290,197.26 and 114,798.14

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Solution

The fourth proportional to 210,290.78, 290,197.26 and 114,798.14 is: 158,419.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,290.78 : 290,197.26 = 114,798.14 : x
  2. Step 2: Convert to fraction form
    210,290.78/290,197.26 = 114,798.14/x
  3. Step 3: Cross multiply
    210,290.78x = 290,197.26 × 114,798.14
  4. Step 4: Simplify right side
    210,290.78x = 33,314,105,681.10
  5. Step 5: Solve for x
    x = 33,314,105,681.10/210,290.78
  6. Step 6: Final answer
    x = 158,419.24

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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.