Home / 170,386.63-235,173.62-105,904.57

Finding the Fourth Proportional to 170,386.63, 235,173.62 and 105,904.57

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Solution

The fourth proportional to 170,386.63, 235,173.62 and 105,904.57 is: 146,173.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,386.63 : 235,173.62 = 105,904.57 : x
  2. Step 2: Convert to fraction form
    170,386.63/235,173.62 = 105,904.57/x
  3. Step 3: Cross multiply
    170,386.63x = 235,173.62 × 105,904.57
  4. Step 4: Simplify right side
    170,386.63x = 24,905,961,101.44
  5. Step 5: Solve for x
    x = 24,905,961,101.44/170,386.63
  6. Step 6: Final answer
    x = 146,173.21

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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.