Home / 219,537.12-302,962.68-118,935.12

Finding the Fourth Proportional to 219,537.12, 302,962.68 and 118,935.12

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Solution

The fourth proportional to 219,537.12, 302,962.68 and 118,935.12 is: 164,131.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,537.12 : 302,962.68 = 118,935.12 : x
  2. Step 2: Convert to fraction form
    219,537.12/302,962.68 = 118,935.12/x
  3. Step 3: Cross multiply
    219,537.12x = 302,962.68 × 118,935.12
  4. Step 4: Simplify right side
    219,537.12x = 36,032,902,701.32
  5. Step 5: Solve for x
    x = 36,032,902,701.32/219,537.12
  6. Step 6: Final answer
    x = 164,131.25

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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.