Home / 237,784.50-328,145.04-142,309.80

Finding the Fourth Proportional to 237,784.50, 328,145.04 and 142,309.80

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Solution

The fourth proportional to 237,784.50, 328,145.04 and 142,309.80 is: 196,388.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,784.50 : 328,145.04 = 142,309.80 : x
  2. Step 2: Convert to fraction form
    237,784.50/328,145.04 = 142,309.80/x
  3. Step 3: Cross multiply
    237,784.50x = 328,145.04 × 142,309.80
  4. Step 4: Simplify right side
    237,784.50x = 46,698,255,013.39
  5. Step 5: Solve for x
    x = 46,698,255,013.39/237,784.50
  6. Step 6: Final answer
    x = 196,388.98

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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.