Home / 219,239.76-302,550.92-118,638.16

Finding the Fourth Proportional to 219,239.76, 302,550.92 and 118,638.16

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Solution

The fourth proportional to 219,239.76, 302,550.92 and 118,638.16 is: 163,720.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,239.76 : 302,550.92 = 118,638.16 : x
  2. Step 2: Convert to fraction form
    219,239.76/302,550.92 = 118,638.16/x
  3. Step 3: Cross multiply
    219,239.76x = 302,550.92 × 118,638.16
  4. Step 4: Simplify right side
    219,239.76x = 35,894,084,455.11
  5. Step 5: Solve for x
    x = 35,894,084,455.11/219,239.76
  6. Step 6: Final answer
    x = 163,720.69

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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.