Home / 115,644.25-159,595.16-70,314.72

Finding the Fourth Proportional to 115,644.25, 159,595.16 and 70,314.72

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Solution

The fourth proportional to 115,644.25, 159,595.16 and 70,314.72 is: 97,038.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,644.25 : 159,595.16 = 70,314.72 : x
  2. Step 2: Convert to fraction form
    115,644.25/159,595.16 = 70,314.72/x
  3. Step 3: Cross multiply
    115,644.25x = 159,595.16 × 70,314.72
  4. Step 4: Simplify right side
    115,644.25x = 11,221,888,936.42
  5. Step 5: Solve for x
    x = 11,221,888,936.42/115,644.25
  6. Step 6: Final answer
    x = 97,038.02

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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.