Home / 218,439.53-301,445.93-122,946.23

Finding the Fourth Proportional to 218,439.53, 301,445.93 and 122,946.23

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Solution

The fourth proportional to 218,439.53, 301,445.93 and 122,946.23 is: 169,665.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,439.53 : 301,445.93 = 122,946.23 : x
  2. Step 2: Convert to fraction form
    218,439.53/301,445.93 = 122,946.23/x
  3. Step 3: Cross multiply
    218,439.53x = 301,445.93 × 122,946.23
  4. Step 4: Simplify right side
    218,439.53x = 37,061,640,509.72
  5. Step 5: Solve for x
    x = 37,061,640,509.72/218,439.53
  6. Step 6: Final answer
    x = 169,665.44

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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.