Home / 219,500.32-302,910.16-118,898.72

Finding the Fourth Proportional to 219,500.32, 302,910.16 and 118,898.72

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Solution

The fourth proportional to 219,500.32, 302,910.16 and 118,898.72 is: 164,080.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,500.32 : 302,910.16 = 118,898.72 : x
  2. Step 2: Convert to fraction form
    219,500.32/302,910.16 = 118,898.72/x
  3. Step 3: Cross multiply
    219,500.32x = 302,910.16 × 118,898.72
  4. Step 4: Simplify right side
    219,500.32x = 36,015,630,299.00
  5. Step 5: Solve for x
    x = 36,015,630,299.00/219,500.32
  6. Step 6: Final answer
    x = 164,080.08

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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.