Home / 216,258.86-298,333.67-135,646.02

Finding the Fourth Proportional to 216,258.86, 298,333.67 and 135,646.02

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Solution

The fourth proportional to 216,258.86, 298,333.67 and 135,646.02 is: 187,126.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,258.86 : 298,333.67 = 135,646.02 : x
  2. Step 2: Convert to fraction form
    216,258.86/298,333.67 = 135,646.02/x
  3. Step 3: Cross multiply
    216,258.86x = 298,333.67 × 135,646.02
  4. Step 4: Simplify right side
    216,258.86x = 40,467,774,967.49
  5. Step 5: Solve for x
    x = 40,467,774,967.49/216,258.86
  6. Step 6: Final answer
    x = 187,126.55

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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.