Home / 125,509.04-173,220.60-75,212.72

Finding the Fourth Proportional to 125,509.04, 173,220.60 and 75,212.72

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Solution

The fourth proportional to 125,509.04, 173,220.60 and 75,212.72 is: 103,804.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,509.04 : 173,220.60 = 75,212.72 : x
  2. Step 2: Convert to fraction form
    125,509.04/173,220.60 = 75,212.72/x
  3. Step 3: Cross multiply
    125,509.04x = 173,220.60 × 75,212.72
  4. Step 4: Simplify right side
    125,509.04x = 13,028,392,486.03
  5. Step 5: Solve for x
    x = 13,028,392,486.03/125,509.04
  6. Step 6: Final answer
    x = 103,804.42

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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.