Home / 112,381.20-168,485.40-63,133.20

Finding the Fourth Proportional to 112,381.20, 168,485.40 and 63,133.20

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Solution

The fourth proportional to 112,381.20, 168,485.40 and 63,133.20 is: 94,651.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,381.20 : 168,485.40 = 63,133.20 : x
  2. Step 2: Convert to fraction form
    112,381.20/168,485.40 = 63,133.20/x
  3. Step 3: Cross multiply
    112,381.20x = 168,485.40 × 63,133.20
  4. Step 4: Simplify right side
    112,381.20x = 10,637,022,455.28
  5. Step 5: Solve for x
    x = 10,637,022,455.28/112,381.20
  6. Step 6: Final answer
    x = 94,651.26

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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.