Home / 235,400.04-324,845.16-133,434.90

Finding the Fourth Proportional to 235,400.04, 324,845.16 and 133,434.90

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Solution

The fourth proportional to 235,400.04, 324,845.16 and 133,434.90 is: 184,136.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,400.04 : 324,845.16 = 133,434.90 : x
  2. Step 2: Convert to fraction form
    235,400.04/324,845.16 = 133,434.90/x
  3. Step 3: Cross multiply
    235,400.04x = 324,845.16 × 133,434.90
  4. Step 4: Simplify right side
    235,400.04x = 43,345,681,440.08
  5. Step 5: Solve for x
    x = 43,345,681,440.08/235,400.04
  6. Step 6: Final answer
    x = 184,136.25

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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.