Home / 112,629.70-155,413.60-67,298.11

Finding the Fourth Proportional to 112,629.70, 155,413.60 and 67,298.11

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Solution

The fourth proportional to 112,629.70, 155,413.60 and 67,298.11 is: 92,862.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,629.70 : 155,413.60 = 67,298.11 : x
  2. Step 2: Convert to fraction form
    112,629.70/155,413.60 = 67,298.11/x
  3. Step 3: Cross multiply
    112,629.70x = 155,413.60 × 67,298.11
  4. Step 4: Simplify right side
    112,629.70x = 10,459,041,548.30
  5. Step 5: Solve for x
    x = 10,459,041,548.30/112,629.70
  6. Step 6: Final answer
    x = 92,862.20

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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.