Home / 210,261.83-290,158.40-114,762.83

Finding the Fourth Proportional to 210,261.83, 290,158.40 and 114,762.83

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Solution

The fourth proportional to 210,261.83, 290,158.40 and 114,762.83 is: 158,371.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,261.83 : 290,158.40 = 114,762.83 : x
  2. Step 2: Convert to fraction form
    210,261.83/290,158.40 = 114,762.83/x
  3. Step 3: Cross multiply
    210,261.83x = 290,158.40 × 114,762.83
  4. Step 4: Simplify right side
    210,261.83x = 33,299,397,968.39
  5. Step 5: Solve for x
    x = 33,299,397,968.39/210,261.83
  6. Step 6: Final answer
    x = 158,371.11

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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.