Home / 180,222.94-248,690.11-99,639.43

Finding the Fourth Proportional to 180,222.94, 248,690.11 and 99,639.43

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Solution

The fourth proportional to 180,222.94, 248,690.11 and 99,639.43 is: 137,492.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,222.94 : 248,690.11 = 99,639.43 : x
  2. Step 2: Convert to fraction form
    180,222.94/248,690.11 = 99,639.43/x
  3. Step 3: Cross multiply
    180,222.94x = 248,690.11 × 99,639.43
  4. Step 4: Simplify right side
    180,222.94x = 24,779,340,807.04
  5. Step 5: Solve for x
    x = 24,779,340,807.04/180,222.94
  6. Step 6: Final answer
    x = 137,492.71

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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.