Home / 219,223.08-302,495.31-133,137.16

Finding the Fourth Proportional to 219,223.08, 302,495.31 and 133,137.16

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Solution

The fourth proportional to 219,223.08, 302,495.31 and 133,137.16 is: 183,709.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,223.08 : 302,495.31 = 133,137.16 : x
  2. Step 2: Convert to fraction form
    219,223.08/302,495.31 = 133,137.16/x
  3. Step 3: Cross multiply
    219,223.08x = 302,495.31 × 133,137.16
  4. Step 4: Simplify right side
    219,223.08x = 40,273,365,730.48
  5. Step 5: Solve for x
    x = 40,273,365,730.48/219,223.08
  6. Step 6: Final answer
    x = 183,709.52

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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.