Home / 115,448.10-159,317.70-64,457.88

Finding the Fourth Proportional to 115,448.10, 159,317.70 and 64,457.88

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Solution

The fourth proportional to 115,448.10, 159,317.70 and 64,457.88 is: 88,951.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,448.10 : 159,317.70 = 64,457.88 : x
  2. Step 2: Convert to fraction form
    115,448.10/159,317.70 = 64,457.88/x
  3. Step 3: Cross multiply
    115,448.10x = 159,317.70 × 64,457.88
  4. Step 4: Simplify right side
    115,448.10x = 10,269,281,188.48
  5. Step 5: Solve for x
    x = 10,269,281,188.48/115,448.10
  6. Step 6: Final answer
    x = 88,951.50

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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.