Home / 123,330.98-184,885.74-102,405.50

Finding the Fourth Proportional to 123,330.98, 184,885.74 and 102,405.50

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Solution

The fourth proportional to 123,330.98, 184,885.74 and 102,405.50 is: 153,516.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,330.98 : 184,885.74 = 102,405.50 : x
  2. Step 2: Convert to fraction form
    123,330.98/184,885.74 = 102,405.50/x
  3. Step 3: Cross multiply
    123,330.98x = 184,885.74 × 102,405.50
  4. Step 4: Simplify right side
    123,330.98x = 18,933,316,647.57
  5. Step 5: Solve for x
    x = 18,933,316,647.57/123,330.98
  6. Step 6: Final answer
    x = 153,516.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.