Home / 93,339.11-139,413.57-84,440.72

Finding the Fourth Proportional to 93,339.11, 139,413.57 and 84,440.72

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Solution

The fourth proportional to 93,339.11, 139,413.57 and 84,440.72 is: 126,122.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,339.11 : 139,413.57 = 84,440.72 : x
  2. Step 2: Convert to fraction form
    93,339.11/139,413.57 = 84,440.72/x
  3. Step 3: Cross multiply
    93,339.11x = 139,413.57 × 84,440.72
  4. Step 4: Simplify right side
    93,339.11x = 11,772,182,228.57
  5. Step 5: Solve for x
    x = 11,772,182,228.57/93,339.11
  6. Step 6: Final answer
    x = 126,122.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.