Home / 216,167.34-298,315.98-135,598.26

Finding the Fourth Proportional to 216,167.34, 298,315.98 and 135,598.26

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Solution

The fourth proportional to 216,167.34, 298,315.98 and 135,598.26 is: 187,128.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,167.34 : 298,315.98 = 135,598.26 : x
  2. Step 2: Convert to fraction form
    216,167.34/298,315.98 = 135,598.26/x
  3. Step 3: Cross multiply
    216,167.34x = 298,315.98 × 135,598.26
  4. Step 4: Simplify right side
    216,167.34x = 40,451,127,818.19
  5. Step 5: Solve for x
    x = 40,451,127,818.19/216,167.34
  6. Step 6: Final answer
    x = 187,128.77

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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.