Home / 170,223.40-255,352.86-65,130.28

Finding the Fourth Proportional to 170,223.40, 255,352.86 and 65,130.28

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Solution

The fourth proportional to 170,223.40, 255,352.86 and 65,130.28 is: 97,702.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,223.40 : 255,352.86 = 65,130.28 : x
  2. Step 2: Convert to fraction form
    170,223.40/255,352.86 = 65,130.28/x
  3. Step 3: Cross multiply
    170,223.40x = 255,352.86 × 65,130.28
  4. Step 4: Simplify right side
    170,223.40x = 16,631,203,270.60
  5. Step 5: Solve for x
    x = 16,631,203,270.60/170,223.40
  6. Step 6: Final answer
    x = 97,702.22

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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.