Home / 189,430.80-261,413.96-104,547.25

Finding the Fourth Proportional to 189,430.80, 261,413.96 and 104,547.25

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Solution

The fourth proportional to 189,430.80, 261,413.96 and 104,547.25 is: 144,274.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,430.80 : 261,413.96 = 104,547.25 : x
  2. Step 2: Convert to fraction form
    189,430.80/261,413.96 = 104,547.25/x
  3. Step 3: Cross multiply
    189,430.80x = 261,413.96 × 104,547.25
  4. Step 4: Simplify right side
    189,430.80x = 27,330,110,629.61
  5. Step 5: Solve for x
    x = 27,330,110,629.61/189,430.80
  6. Step 6: Final answer
    x = 144,274.90

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1.5x scale

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.