Home / 170,420.40-255,913.96-106,526.52

Finding the Fourth Proportional to 170,420.40, 255,913.96 and 106,526.52

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Solution

The fourth proportional to 170,420.40, 255,913.96 and 106,526.52 is: 159,966.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,420.40 : 255,913.96 = 106,526.52 : x
  2. Step 2: Convert to fraction form
    170,420.40/255,913.96 = 106,526.52/x
  3. Step 3: Cross multiply
    170,420.40x = 255,913.96 × 106,526.52
  4. Step 4: Simplify right side
    170,420.40x = 27,261,623,578.22
  5. Step 5: Solve for x
    x = 27,261,623,578.22/170,420.40
  6. Step 6: Final answer
    x = 159,966.90

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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.