Home / 125,797.06-173,557.47-85,440.88

Finding the Fourth Proportional to 125,797.06, 173,557.47 and 85,440.88

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Solution

The fourth proportional to 125,797.06, 173,557.47 and 85,440.88 is: 117,879.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,797.06 : 173,557.47 = 85,440.88 : x
  2. Step 2: Convert to fraction form
    125,797.06/173,557.47 = 85,440.88/x
  3. Step 3: Cross multiply
    125,797.06x = 173,557.47 × 85,440.88
  4. Step 4: Simplify right side
    125,797.06x = 14,828,902,967.37
  5. Step 5: Solve for x
    x = 14,828,902,967.37/125,797.06
  6. Step 6: Final answer
    x = 117,879.57

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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.