Home / 219,931.68-303,415.48-133,821.62

Finding the Fourth Proportional to 219,931.68, 303,415.48 and 133,821.62

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Solution

The fourth proportional to 219,931.68, 303,415.48 and 133,821.62 is: 184,618.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,931.68 : 303,415.48 = 133,821.62 : x
  2. Step 2: Convert to fraction form
    219,931.68/303,415.48 = 133,821.62/x
  3. Step 3: Cross multiply
    219,931.68x = 303,415.48 × 133,821.62
  4. Step 4: Simplify right side
    219,931.68x = 40,603,551,066.68
  5. Step 5: Solve for x
    x = 40,603,551,066.68/219,931.68
  6. Step 6: Final answer
    x = 184,618.93

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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.