Home / 112,440.36-168,816.06-57,075.24

Finding the Fourth Proportional to 112,440.36, 168,816.06 and 57,075.24

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Solution

The fourth proportional to 112,440.36, 168,816.06 and 57,075.24 is: 85,691.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,440.36 : 168,816.06 = 57,075.24 : x
  2. Step 2: Convert to fraction form
    112,440.36/168,816.06 = 57,075.24/x
  3. Step 3: Cross multiply
    112,440.36x = 168,816.06 × 57,075.24
  4. Step 4: Simplify right side
    112,440.36x = 9,635,217,140.35
  5. Step 5: Solve for x
    x = 9,635,217,140.35/112,440.36
  6. Step 6: Final answer
    x = 85,691.80

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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.