Home / 112,826.26-155,717.39-72,008.00

Finding the Fourth Proportional to 112,826.26, 155,717.39 and 72,008.00

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Solution

The fourth proportional to 112,826.26, 155,717.39 and 72,008.00 is: 99,381.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,826.26 : 155,717.39 = 72,008.00 : x
  2. Step 2: Convert to fraction form
    112,826.26/155,717.39 = 72,008.00/x
  3. Step 3: Cross multiply
    112,826.26x = 155,717.39 × 72,008.00
  4. Step 4: Simplify right side
    112,826.26x = 11,212,897,846.26
  5. Step 5: Solve for x
    x = 11,212,897,846.26/112,826.26
  6. Step 6: Final answer
    x = 99,381.98

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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.