Home / 219,109.25-302,370.79-118,507.25

Finding the Fourth Proportional to 219,109.25, 302,370.79 and 118,507.25

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Solution

The fourth proportional to 219,109.25, 302,370.79 and 118,507.25 is: 163,540.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,109.25 : 302,370.79 = 118,507.25 : x
  2. Step 2: Convert to fraction form
    219,109.25/302,370.79 = 118,507.25/x
  3. Step 3: Cross multiply
    219,109.25x = 302,370.79 × 118,507.25
  4. Step 4: Simplify right side
    219,109.25x = 35,833,130,803.23
  5. Step 5: Solve for x
    x = 35,833,130,803.23/219,109.25
  6. Step 6: Final answer
    x = 163,540.02

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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.