Home / 123,002.80-184,504.20-70,417.60

Finding the Fourth Proportional to 123,002.80, 184,504.20 and 70,417.60

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Solution

The fourth proportional to 123,002.80, 184,504.20 and 70,417.60 is: 105,626.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,002.80 : 184,504.20 = 70,417.60 : x
  2. Step 2: Convert to fraction form
    123,002.80/184,504.20 = 70,417.60/x
  3. Step 3: Cross multiply
    123,002.80x = 184,504.20 × 70,417.60
  4. Step 4: Simplify right side
    123,002.80x = 12,992,342,953.92
  5. Step 5: Solve for x
    x = 12,992,342,953.92/123,002.80
  6. Step 6: Final answer
    x = 105,626.40

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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.