Home / 115,842.24-159,814.78-70,483.86

Finding the Fourth Proportional to 115,842.24, 159,814.78 and 70,483.86

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Solution

The fourth proportional to 115,842.24, 159,814.78 and 70,483.86 is: 97,238.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,842.24 : 159,814.78 = 70,483.86 : x
  2. Step 2: Convert to fraction form
    115,842.24/159,814.78 = 70,483.86/x
  3. Step 3: Cross multiply
    115,842.24x = 159,814.78 × 70,483.86
  4. Step 4: Simplify right side
    115,842.24x = 11,264,362,579.45
  5. Step 5: Solve for x
    x = 11,264,362,579.45/115,842.24
  6. Step 6: Final answer
    x = 97,238.82

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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.