Home / 113,741.69-170,384.13-56,643.55

Finding the Fourth Proportional to 113,741.69, 170,384.13 and 56,643.55

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Solution

The fourth proportional to 113,741.69, 170,384.13 and 56,643.55 is: 84,851.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,741.69 : 170,384.13 = 56,643.55 : x
  2. Step 2: Convert to fraction form
    113,741.69/170,384.13 = 56,643.55/x
  3. Step 3: Cross multiply
    113,741.69x = 170,384.13 × 56,643.55
  4. Step 4: Simplify right side
    113,741.69x = 9,651,161,560.90
  5. Step 5: Solve for x
    x = 9,651,161,560.90/113,741.69
  6. Step 6: Final answer
    x = 84,851.58

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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.