Home / 170,943.66-235,803.60-102,913.38

Finding the Fourth Proportional to 170,943.66, 235,803.60 and 102,913.38

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Solution

The fourth proportional to 170,943.66, 235,803.60 and 102,913.38 is: 141,961.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,943.66 : 235,803.60 = 102,913.38 : x
  2. Step 2: Convert to fraction form
    170,943.66/235,803.60 = 102,913.38/x
  3. Step 3: Cross multiply
    170,943.66x = 235,803.60 × 102,913.38
  4. Step 4: Simplify right side
    170,943.66x = 24,267,345,492.17
  5. Step 5: Solve for x
    x = 24,267,345,492.17/170,943.66
  6. Step 6: Final answer
    x = 141,961.07

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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.