Home / 139,746.24-209,649.60-46,252.80

Finding the Fourth Proportional to 139,746.24, 209,649.60 and 46,252.80

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Solution

The fourth proportional to 139,746.24, 209,649.60 and 46,252.80 is: 69,389.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,746.24 : 209,649.60 = 46,252.80 : x
  2. Step 2: Convert to fraction form
    139,746.24/209,649.60 = 46,252.80/x
  3. Step 3: Cross multiply
    139,746.24x = 209,649.60 × 46,252.80
  4. Step 4: Simplify right side
    139,746.24x = 9,696,881,018.88
  5. Step 5: Solve for x
    x = 9,696,881,018.88/139,746.24
  6. Step 6: Final answer
    x = 69,389.21

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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.