Home / 219,537.32-302,961.80-118,935.32

Finding the Fourth Proportional to 219,537.32, 302,961.80 and 118,935.32

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Solution

The fourth proportional to 219,537.32, 302,961.80 and 118,935.32 is: 164,130.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,537.32 : 302,961.80 = 118,935.32 : x
  2. Step 2: Convert to fraction form
    219,537.32/302,961.80 = 118,935.32/x
  3. Step 3: Cross multiply
    219,537.32x = 302,961.80 × 118,935.32
  4. Step 4: Simplify right side
    219,537.32x = 36,032,858,630.78
  5. Step 5: Solve for x
    x = 36,032,858,630.78/219,537.32
  6. Step 6: Final answer
    x = 164,130.90

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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.