Home / 125,513.04-173,226.12-75,216.72

Finding the Fourth Proportional to 125,513.04, 173,226.12 and 75,216.72

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Solution

The fourth proportional to 125,513.04, 173,226.12 and 75,216.72 is: 103,809.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,513.04 : 173,226.12 = 75,216.72 : x
  2. Step 2: Convert to fraction form
    125,513.04/173,226.12 = 75,216.72/x
  3. Step 3: Cross multiply
    125,513.04x = 173,226.12 × 75,216.72
  4. Step 4: Simplify right side
    125,513.04x = 13,029,500,564.73
  5. Step 5: Solve for x
    x = 13,029,500,564.73/125,513.04
  6. Step 6: Final answer
    x = 103,809.94

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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.