Home / 180,013.04-248,420.08-99,438.90

Finding the Fourth Proportional to 180,013.04, 248,420.08 and 99,438.90

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Solution

The fourth proportional to 180,013.04, 248,420.08 and 99,438.90 is: 137,226.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,013.04 : 248,420.08 = 99,438.90 : x
  2. Step 2: Convert to fraction form
    180,013.04/248,420.08 = 99,438.90/x
  3. Step 3: Cross multiply
    180,013.04x = 248,420.08 × 99,438.90
  4. Step 4: Simplify right side
    180,013.04x = 24,702,619,493.11
  5. Step 5: Solve for x
    x = 24,702,619,493.11/180,013.04
  6. Step 6: Final answer
    x = 137,226.83

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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.