Home / 147,919.32-221,746.50-54,359.64

Finding the Fourth Proportional to 147,919.32, 221,746.50 and 54,359.64

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Solution

The fourth proportional to 147,919.32, 221,746.50 and 54,359.64 is: 81,490.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,919.32 : 221,746.50 = 54,359.64 : x
  2. Step 2: Convert to fraction form
    147,919.32/221,746.50 = 54,359.64/x
  3. Step 3: Cross multiply
    147,919.32x = 221,746.50 × 54,359.64
  4. Step 4: Simplify right side
    147,919.32x = 12,054,059,911.26
  5. Step 5: Solve for x
    x = 12,054,059,911.26/147,919.32
  6. Step 6: Final answer
    x = 81,490.77

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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.