Home / 187,448.28-258,409.55-133,639.88

Finding the Fourth Proportional to 187,448.28, 258,409.55 and 133,639.88

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Solution

The fourth proportional to 187,448.28, 258,409.55 and 133,639.88 is: 184,231.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,448.28 : 258,409.55 = 133,639.88 : x
  2. Step 2: Convert to fraction form
    187,448.28/258,409.55 = 133,639.88/x
  3. Step 3: Cross multiply
    187,448.28x = 258,409.55 × 133,639.88
  4. Step 4: Simplify right side
    187,448.28x = 34,533,821,252.85
  5. Step 5: Solve for x
    x = 34,533,821,252.85/187,448.28
  6. Step 6: Final answer
    x = 184,231.20

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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.