Home / 219,165.12-302,447.88-118,563.12

Finding the Fourth Proportional to 219,165.12, 302,447.88 and 118,563.12

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Solution

The fourth proportional to 219,165.12, 302,447.88 and 118,563.12 is: 163,617.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,165.12 : 302,447.88 = 118,563.12 : x
  2. Step 2: Convert to fraction form
    219,165.12/302,447.88 = 118,563.12/x
  3. Step 3: Cross multiply
    219,165.12x = 302,447.88 × 118,563.12
  4. Step 4: Simplify right side
    219,165.12x = 35,859,164,290.19
  5. Step 5: Solve for x
    x = 35,859,164,290.19/219,165.12
  6. Step 6: Final answer
    x = 163,617.11

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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.