Home / 170,868.61-235,818.57-142,137.46

Finding the Fourth Proportional to 170,868.61, 235,818.57 and 142,137.46

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Solution

The fourth proportional to 170,868.61, 235,818.57 and 142,137.46 is: 196,166.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,868.61 : 235,818.57 = 142,137.46 : x
  2. Step 2: Convert to fraction form
    170,868.61/235,818.57 = 142,137.46/x
  3. Step 3: Cross multiply
    170,868.61x = 235,818.57 × 142,137.46
  4. Step 4: Simplify right side
    170,868.61x = 33,518,652,560.63
  5. Step 5: Solve for x
    x = 33,518,652,560.63/170,868.61
  6. Step 6: Final answer
    x = 196,166.24

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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.