Home / 210,217.43-290,100.87-114,726.25

Finding the Fourth Proportional to 210,217.43, 290,100.87 and 114,726.25

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Solution

The fourth proportional to 210,217.43, 290,100.87 and 114,726.25 is: 158,322.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,217.43 : 290,100.87 = 114,726.25 : x
  2. Step 2: Convert to fraction form
    210,217.43/290,100.87 = 114,726.25/x
  3. Step 3: Cross multiply
    210,217.43x = 290,100.87 × 114,726.25
  4. Step 4: Simplify right side
    210,217.43x = 33,282,184,936.84
  5. Step 5: Solve for x
    x = 33,282,184,936.84/210,217.43
  6. Step 6: Final answer
    x = 158,322.67

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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.