Home / 250,283.36-345,306.48-142,777.76

Finding the Fourth Proportional to 250,283.36, 345,306.48 and 142,777.76

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Solution

The fourth proportional to 250,283.36, 345,306.48 and 142,777.76 is: 196,985.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,283.36 : 345,306.48 = 142,777.76 : x
  2. Step 2: Convert to fraction form
    250,283.36/345,306.48 = 142,777.76/x
  3. Step 3: Cross multiply
    250,283.36x = 345,306.48 × 142,777.76
  4. Step 4: Simplify right side
    250,283.36x = 49,302,085,727.88
  5. Step 5: Solve for x
    x = 49,302,085,727.88/250,283.36
  6. Step 6: Final answer
    x = 196,985.07

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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.