Home / 213,027.04-293,944.98-121,137.40

Finding the Fourth Proportional to 213,027.04, 293,944.98 and 121,137.40

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Solution

The fourth proportional to 213,027.04, 293,944.98 and 121,137.40 is: 167,151.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,027.04 : 293,944.98 = 121,137.40 : x
  2. Step 2: Convert to fraction form
    213,027.04/293,944.98 = 121,137.40/x
  3. Step 3: Cross multiply
    213,027.04x = 293,944.98 × 121,137.40
  4. Step 4: Simplify right side
    213,027.04x = 35,607,730,620.25
  5. Step 5: Solve for x
    x = 35,607,730,620.25/213,027.04
  6. Step 6: Final answer
    x = 167,151.22

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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.