Home / 116,986.15-161,440.88-63,271.16

Finding the Fourth Proportional to 116,986.15, 161,440.88 and 63,271.16

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Solution

The fourth proportional to 116,986.15, 161,440.88 and 63,271.16 is: 87,314.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,986.15 : 161,440.88 = 63,271.16 : x
  2. Step 2: Convert to fraction form
    116,986.15/161,440.88 = 63,271.16/x
  3. Step 3: Cross multiply
    116,986.15x = 161,440.88 × 63,271.16
  4. Step 4: Simplify right side
    116,986.15x = 10,214,551,432.67
  5. Step 5: Solve for x
    x = 10,214,551,432.67/116,986.15
  6. Step 6: Final answer
    x = 87,314.20

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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.