Home / 112,409.40-168,614.10-56,422.20

Finding the Fourth Proportional to 112,409.40, 168,614.10 and 56,422.20

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Solution

The fourth proportional to 112,409.40, 168,614.10 and 56,422.20 is: 84,633.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,409.40 : 168,614.10 = 56,422.20 : x
  2. Step 2: Convert to fraction form
    112,409.40/168,614.10 = 56,422.20/x
  3. Step 3: Cross multiply
    112,409.40x = 168,614.10 × 56,422.20
  4. Step 4: Simplify right side
    112,409.40x = 9,513,578,473.02
  5. Step 5: Solve for x
    x = 9,513,578,473.02/112,409.40
  6. Step 6: Final answer
    x = 84,633.30

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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.