Home / 115,862.22-159,903.30-70,566.78

Finding the Fourth Proportional to 115,862.22, 159,903.30 and 70,566.78

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Solution

The fourth proportional to 115,862.22, 159,903.30 and 70,566.78 is: 97,390.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,862.22 : 159,903.30 = 70,566.78 : x
  2. Step 2: Convert to fraction form
    115,862.22/159,903.30 = 70,566.78/x
  3. Step 3: Cross multiply
    115,862.22x = 159,903.30 × 70,566.78
  4. Step 4: Simplify right side
    115,862.22x = 11,283,860,992.37
  5. Step 5: Solve for x
    x = 11,283,860,992.37/115,862.22
  6. Step 6: Final answer
    x = 97,390.34

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1.5x scale

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.