Home / 139,518.73-209,285.43-46,031.77

Finding the Fourth Proportional to 139,518.73, 209,285.43 and 46,031.77

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Solution

The fourth proportional to 139,518.73, 209,285.43 and 46,031.77 is: 69,050.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,518.73 : 209,285.43 = 46,031.77 : x
  2. Step 2: Convert to fraction form
    139,518.73/209,285.43 = 46,031.77/x
  3. Step 3: Cross multiply
    139,518.73x = 209,285.43 × 46,031.77
  4. Step 4: Simplify right side
    139,518.73x = 9,633,778,778.11
  5. Step 5: Solve for x
    x = 9,633,778,778.11/139,518.73
  6. Step 6: Final answer
    x = 69,050.08

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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.