Home / 113,513.76-170,280.36-46,941.12

Finding the Fourth Proportional to 113,513.76, 170,280.36 and 46,941.12

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Solution

The fourth proportional to 113,513.76, 170,280.36 and 46,941.12 is: 70,415.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,513.76 : 170,280.36 = 46,941.12 : x
  2. Step 2: Convert to fraction form
    113,513.76/170,280.36 = 46,941.12/x
  3. Step 3: Cross multiply
    113,513.76x = 170,280.36 × 46,941.12
  4. Step 4: Simplify right side
    113,513.76x = 7,993,150,812.40
  5. Step 5: Solve for x
    x = 7,993,150,812.40/113,513.76
  6. Step 6: Final answer
    x = 70,415.70

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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.