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Finding the Fourth Proportional to 125,604, 173,333.52 and 75,312.72

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Solution

The fourth proportional to 125,604, 173,333.52 and 75,312.72 is: 103,931.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,604 : 173,333.52 = 75,312.72 : x
  2. Step 2: Convert to fraction form
    125,604/173,333.52 = 75,312.72/x
  3. Step 3: Cross multiply
    125,604x = 173,333.52 × 75,312.72
  4. Step 4: Simplify right side
    125,604x = 13,054,218,858.37
  5. Step 5: Solve for x
    x = 13,054,218,858.37/125,604
  6. Step 6: Final answer
    x = 103,931.55

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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.