Home / 125,322.82-173,008.49-81,735.10

Finding the Fourth Proportional to 125,322.82, 173,008.49 and 81,735.10

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Solution

The fourth proportional to 125,322.82, 173,008.49 and 81,735.10 is: 112,835.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,322.82 : 173,008.49 = 81,735.10 : x
  2. Step 2: Convert to fraction form
    125,322.82/173,008.49 = 81,735.10/x
  3. Step 3: Cross multiply
    125,322.82x = 173,008.49 × 81,735.10
  4. Step 4: Simplify right side
    125,322.82x = 14,140,865,389.80
  5. Step 5: Solve for x
    x = 14,140,865,389.80/125,322.82
  6. Step 6: Final answer
    x = 112,835.52

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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.