Home / 259,656.02-389,503.73-70,113.63

Finding the Fourth Proportional to 259,656.02, 389,503.73 and 70,113.63

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Solution

The fourth proportional to 259,656.02, 389,503.73 and 70,113.63 is: 105,175.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,656.02 : 389,503.73 = 70,113.63 : x
  2. Step 2: Convert to fraction form
    259,656.02/389,503.73 = 70,113.63/x
  3. Step 3: Cross multiply
    259,656.02x = 389,503.73 × 70,113.63
  4. Step 4: Simplify right side
    259,656.02x = 27,309,518,110.75
  5. Step 5: Solve for x
    x = 27,309,518,110.75/259,656.02
  6. Step 6: Final answer
    x = 105,175.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.