Home / 104,392-144,013.12-61,926.40

Finding the Fourth Proportional to 104,392, 144,013.12 and 61,926.40

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Solution

The fourth proportional to 104,392, 144,013.12 and 61,926.40 is: 85,430.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,392 : 144,013.12 = 61,926.40 : x
  2. Step 2: Convert to fraction form
    104,392/144,013.12 = 61,926.40/x
  3. Step 3: Cross multiply
    104,392x = 144,013.12 × 61,926.40
  4. Step 4: Simplify right side
    104,392x = 8,918,214,074.37
  5. Step 5: Solve for x
    x = 8,918,214,074.37/104,392
  6. Step 6: Final answer
    x = 85,430.05

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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.