Home / 125,453.04-173,206.32-77,757.12

Finding the Fourth Proportional to 125,453.04, 173,206.32 and 77,757.12

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Solution

The fourth proportional to 125,453.04, 173,206.32 and 77,757.12 is: 107,355.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,453.04 : 173,206.32 = 77,757.12 : x
  2. Step 2: Convert to fraction form
    125,453.04/173,206.32 = 77,757.12/x
  3. Step 3: Cross multiply
    125,453.04x = 173,206.32 × 77,757.12
  4. Step 4: Simplify right side
    125,453.04x = 13,468,024,609.00
  5. Step 5: Solve for x
    x = 13,468,024,609.00/125,453.04
  6. Step 6: Final answer
    x = 107,355.11

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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.