Home / 97,413.40-146,130.36-30,862.72

Finding the Fourth Proportional to 97,413.40, 146,130.36 and 30,862.72

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Solution

The fourth proportional to 97,413.40, 146,130.36 and 30,862.72 is: 46,297.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,413.40 : 146,130.36 = 30,862.72 : x
  2. Step 2: Convert to fraction form
    97,413.40/146,130.36 = 30,862.72/x
  3. Step 3: Cross multiply
    97,413.40x = 146,130.36 × 30,862.72
  4. Step 4: Simplify right side
    97,413.40x = 4,509,980,384.18
  5. Step 5: Solve for x
    x = 4,509,980,384.18/97,413.40
  6. Step 6: Final answer
    x = 46,297.33

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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.