Home / 228,999.05-316,023.75-127,021.19

Finding the Fourth Proportional to 228,999.05, 316,023.75 and 127,021.19

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Solution

The fourth proportional to 228,999.05, 316,023.75 and 127,021.19 is: 175,292.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,999.05 : 316,023.75 = 127,021.19 : x
  2. Step 2: Convert to fraction form
    228,999.05/316,023.75 = 127,021.19/x
  3. Step 3: Cross multiply
    228,999.05x = 316,023.75 × 127,021.19
  4. Step 4: Simplify right side
    228,999.05x = 40,141,712,459.21
  5. Step 5: Solve for x
    x = 40,141,712,459.21/228,999.05
  6. Step 6: Final answer
    x = 175,292.05

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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.