Home / 115,501.40-173,361.45-98,880.20

Finding the Fourth Proportional to 115,501.40, 173,361.45 and 98,880.20

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Solution

The fourth proportional to 115,501.40, 173,361.45 and 98,880.20 is: 148,413.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,501.40 : 173,361.45 = 98,880.20 : x
  2. Step 2: Convert to fraction form
    115,501.40/173,361.45 = 98,880.20/x
  3. Step 3: Cross multiply
    115,501.40x = 173,361.45 × 98,880.20
  4. Step 4: Simplify right side
    115,501.40x = 17,142,014,848.29
  5. Step 5: Solve for x
    x = 17,142,014,848.29/115,501.40
  6. Step 6: Final answer
    x = 148,413.91

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1.5x scale

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.