Home / 137,024.04-189,087.30-80,441.64

Finding the Fourth Proportional to 137,024.04, 189,087.30 and 80,441.64

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Solution

The fourth proportional to 137,024.04, 189,087.30 and 80,441.64 is: 111,006.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,024.04 : 189,087.30 = 80,441.64 : x
  2. Step 2: Convert to fraction form
    137,024.04/189,087.30 = 80,441.64/x
  3. Step 3: Cross multiply
    137,024.04x = 189,087.30 × 80,441.64
  4. Step 4: Simplify right side
    137,024.04x = 15,210,492,515.17
  5. Step 5: Solve for x
    x = 15,210,492,515.17/137,024.04
  6. Step 6: Final answer
    x = 111,006.01

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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.