Home / 123,045.10-184,567.65-83,679.10

Finding the Fourth Proportional to 123,045.10, 184,567.65 and 83,679.10

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Solution

The fourth proportional to 123,045.10, 184,567.65 and 83,679.10 is: 125,518.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,045.10 : 184,567.65 = 83,679.10 : x
  2. Step 2: Convert to fraction form
    123,045.10/184,567.65 = 83,679.10/x
  3. Step 3: Cross multiply
    123,045.10x = 184,567.65 × 83,679.10
  4. Step 4: Simplify right side
    123,045.10x = 15,444,454,841.12
  5. Step 5: Solve for x
    x = 15,444,454,841.12/123,045.10
  6. Step 6: Final answer
    x = 125,518.65

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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.