Home / 112,775.87-169,110.83-65,404.43

Finding the Fourth Proportional to 112,775.87, 169,110.83 and 65,404.43

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Solution

The fourth proportional to 112,775.87, 169,110.83 and 65,404.43 is: 98,075.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,775.87 : 169,110.83 = 65,404.43 : x
  2. Step 2: Convert to fraction form
    112,775.87/169,110.83 = 65,404.43/x
  3. Step 3: Cross multiply
    112,775.87x = 169,110.83 × 65,404.43
  4. Step 4: Simplify right side
    112,775.87x = 11,060,596,270.40
  5. Step 5: Solve for x
    x = 11,060,596,270.40/112,775.87
  6. Step 6: Final answer
    x = 98,075.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.