Home / 147,855.64-221,736.93-47,992.77

Finding the Fourth Proportional to 147,855.64, 221,736.93 and 47,992.77

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Solution

The fourth proportional to 147,855.64, 221,736.93 and 47,992.77 is: 71,974.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,855.64 : 221,736.93 = 47,992.77 : x
  2. Step 2: Convert to fraction form
    147,855.64/221,736.93 = 47,992.77/x
  3. Step 3: Cross multiply
    147,855.64x = 221,736.93 × 47,992.77
  4. Step 4: Simplify right side
    147,855.64x = 10,641,769,482.00
  5. Step 5: Solve for x
    x = 10,641,769,482.00/147,855.64
  6. Step 6: Final answer
    x = 71,974.05

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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.