Home / 218,916.96-302,105.52-118,315.04

Finding the Fourth Proportional to 218,916.96, 302,105.52 and 118,315.04

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Solution

The fourth proportional to 218,916.96, 302,105.52 and 118,315.04 is: 163,274.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,916.96 : 302,105.52 = 118,315.04 : x
  2. Step 2: Convert to fraction form
    218,916.96/302,105.52 = 118,315.04/x
  3. Step 3: Cross multiply
    218,916.96x = 302,105.52 × 118,315.04
  4. Step 4: Simplify right side
    218,916.96x = 35,743,626,683.02
  5. Step 5: Solve for x
    x = 35,743,626,683.02/218,916.96
  6. Step 6: Final answer
    x = 163,274.82

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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.