Home / 103,403.40-154,971-46,435.25

Finding the Fourth Proportional to 103,403.40, 154,971 and 46,435.25

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Solution

The fourth proportional to 103,403.40, 154,971 and 46,435.25 is: 69,592.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,403.40 : 154,971 = 46,435.25 : x
  2. Step 2: Convert to fraction form
    103,403.40/154,971 = 46,435.25/x
  3. Step 3: Cross multiply
    103,403.40x = 154,971 × 46,435.25
  4. Step 4: Simplify right side
    103,403.40x = 7,196,116,352.90
  5. Step 5: Solve for x
    x = 7,196,116,352.90/103,403.40
  6. Step 6: Final answer
    x = 69,592.65

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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.