Home / 117,729.15-162,465.85-64,014.30

Finding the Fourth Proportional to 117,729.15, 162,465.85 and 64,014.30

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Solution

The fourth proportional to 117,729.15, 162,465.85 and 64,014.30 is: 88,339.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,729.15 : 162,465.85 = 64,014.30 : x
  2. Step 2: Convert to fraction form
    117,729.15/162,465.85 = 64,014.30/x
  3. Step 3: Cross multiply
    117,729.15x = 162,465.85 × 64,014.30
  4. Step 4: Simplify right side
    117,729.15x = 10,400,137,741.67
  5. Step 5: Solve for x
    x = 10,400,137,741.67/117,729.15
  6. Step 6: Final answer
    x = 88,339.53

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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.