Home / 103,041.60-155,382.26-101,636.45

Finding the Fourth Proportional to 103,041.60, 155,382.26 and 101,636.45

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Solution

The fourth proportional to 103,041.60, 155,382.26 and 101,636.45 is: 153,263.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,041.60 : 155,382.26 = 101,636.45 : x
  2. Step 2: Convert to fraction form
    103,041.60/155,382.26 = 101,636.45/x
  3. Step 3: Cross multiply
    103,041.60x = 155,382.26 × 101,636.45
  4. Step 4: Simplify right side
    103,041.60x = 15,792,500,014.28
  5. Step 5: Solve for x
    x = 15,792,500,014.28/103,041.60
  6. Step 6: Final answer
    x = 153,263.34

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.