Home / 219,109.14-302,370.63-118,507.14

Finding the Fourth Proportional to 219,109.14, 302,370.63 and 118,507.14

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Solution

The fourth proportional to 219,109.14, 302,370.63 and 118,507.14 is: 163,539.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,109.14 : 302,370.63 = 118,507.14 : x
  2. Step 2: Convert to fraction form
    219,109.14/302,370.63 = 118,507.14/x
  3. Step 3: Cross multiply
    219,109.14x = 302,370.63 × 118,507.14
  4. Step 4: Simplify right side
    219,109.14x = 35,833,078,581.30
  5. Step 5: Solve for x
    x = 35,833,078,581.30/219,109.14
  6. Step 6: Final answer
    x = 163,539.86

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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.