Home / 115,825.87-159,830.90-64,826.93

Finding the Fourth Proportional to 115,825.87, 159,830.90 and 64,826.93

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Solution

The fourth proportional to 115,825.87, 159,830.90 and 64,826.93 is: 89,456.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,825.87 : 159,830.90 = 64,826.93 : x
  2. Step 2: Convert to fraction form
    115,825.87/159,830.90 = 64,826.93/x
  3. Step 3: Cross multiply
    115,825.87x = 159,830.90 × 64,826.93
  4. Step 4: Simplify right side
    115,825.87x = 10,361,346,702.35
  5. Step 5: Solve for x
    x = 10,361,346,702.35/115,825.87
  6. Step 6: Final answer
    x = 89,456.24

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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.