Home / 216,476.35-298,543.93-135,911.39

Finding the Fourth Proportional to 216,476.35, 298,543.93 and 135,911.39

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Solution

The fourth proportional to 216,476.35, 298,543.93 and 135,911.39 is: 187,436.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,476.35 : 298,543.93 = 135,911.39 : x
  2. Step 2: Convert to fraction form
    216,476.35/298,543.93 = 135,911.39/x
  3. Step 3: Cross multiply
    216,476.35x = 298,543.93 × 135,911.39
  4. Step 4: Simplify right side
    216,476.35x = 40,575,518,669.86
  5. Step 5: Solve for x
    x = 40,575,518,669.86/216,476.35
  6. Step 6: Final answer
    x = 187,436.27

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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.