Home / 210,201.24-290,087.16-118,352.15

Finding the Fourth Proportional to 210,201.24, 290,087.16 and 118,352.15

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Solution

The fourth proportional to 210,201.24, 290,087.16 and 118,352.15 is: 163,331.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,201.24 : 290,087.16 = 118,352.15 : x
  2. Step 2: Convert to fraction form
    210,201.24/290,087.16 = 118,352.15/x
  3. Step 3: Cross multiply
    210,201.24x = 290,087.16 × 118,352.15
  4. Step 4: Simplify right side
    210,201.24x = 34,332,439,073.39
  5. Step 5: Solve for x
    x = 34,332,439,073.39/210,201.24
  6. Step 6: Final answer
    x = 163,331.29

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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.