Home / 216,463.20-298,525.80-135,898.23

Finding the Fourth Proportional to 216,463.20, 298,525.80 and 135,898.23

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Solution

The fourth proportional to 216,463.20, 298,525.80 and 135,898.23 is: 187,418.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,463.20 : 298,525.80 = 135,898.23 : x
  2. Step 2: Convert to fraction form
    216,463.20/298,525.80 = 135,898.23/x
  3. Step 3: Cross multiply
    216,463.20x = 298,525.80 × 135,898.23
  4. Step 4: Simplify right side
    216,463.20x = 40,569,127,829.33
  5. Step 5: Solve for x
    x = 40,569,127,829.33/216,463.20
  6. Step 6: Final answer
    x = 187,418.13

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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.