Home / 216,469.20-298,534.08-135,904.23

Finding the Fourth Proportional to 216,469.20, 298,534.08 and 135,904.23

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Solution

The fourth proportional to 216,469.20, 298,534.08 and 135,904.23 is: 187,426.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,469.20 : 298,534.08 = 135,904.23 : x
  2. Step 2: Convert to fraction form
    216,469.20/298,534.08 = 135,904.23/x
  3. Step 3: Cross multiply
    216,469.20x = 298,534.08 × 135,904.23
  4. Step 4: Simplify right side
    216,469.20x = 40,572,044,271.16
  5. Step 5: Solve for x
    x = 40,572,044,271.16/216,469.20
  6. Step 6: Final answer
    x = 187,426.41

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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.