Home / 125,418.58-173,071.59-71,709.50

Finding the Fourth Proportional to 125,418.58, 173,071.59 and 71,709.50

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Solution

The fourth proportional to 125,418.58, 173,071.59 and 71,709.50 is: 98,955.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,418.58 : 173,071.59 = 71,709.50 : x
  2. Step 2: Convert to fraction form
    125,418.58/173,071.59 = 71,709.50/x
  3. Step 3: Cross multiply
    125,418.58x = 173,071.59 × 71,709.50
  4. Step 4: Simplify right side
    125,418.58x = 12,410,877,346.87
  5. Step 5: Solve for x
    x = 12,410,877,346.87/125,418.58
  6. Step 6: Final answer
    x = 98,955.65

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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.