Home / 115,941.95-159,999.54-64,262.35

Finding the Fourth Proportional to 115,941.95, 159,999.54 and 64,262.35

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Solution

The fourth proportional to 115,941.95, 159,999.54 and 64,262.35 is: 88,681.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,941.95 : 159,999.54 = 64,262.35 : x
  2. Step 2: Convert to fraction form
    115,941.95/159,999.54 = 64,262.35/x
  3. Step 3: Cross multiply
    115,941.95x = 159,999.54 × 64,262.35
  4. Step 4: Simplify right side
    115,941.95x = 10,281,945,878.66
  5. Step 5: Solve for x
    x = 10,281,945,878.66/115,941.95
  6. Step 6: Final answer
    x = 88,681.84

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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.