Home / 123,069.20-184,603.80-70,435.40

Finding the Fourth Proportional to 123,069.20, 184,603.80 and 70,435.40

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Solution

The fourth proportional to 123,069.20, 184,603.80 and 70,435.40 is: 105,653.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,069.20 : 184,603.80 = 70,435.40 : x
  2. Step 2: Convert to fraction form
    123,069.20/184,603.80 = 70,435.40/x
  3. Step 3: Cross multiply
    123,069.20x = 184,603.80 × 70,435.40
  4. Step 4: Simplify right side
    123,069.20x = 13,002,642,494.52
  5. Step 5: Solve for x
    x = 13,002,642,494.52/123,069.20
  6. Step 6: Final answer
    x = 105,653.10

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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.