Home / 122,782.95-169,447.88-69,071.45

Finding the Fourth Proportional to 122,782.95, 169,447.88 and 69,071.45

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Solution

The fourth proportional to 122,782.95, 169,447.88 and 69,071.45 is: 95,322.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,782.95 : 169,447.88 = 69,071.45 : x
  2. Step 2: Convert to fraction form
    122,782.95/169,447.88 = 69,071.45/x
  3. Step 3: Cross multiply
    122,782.95x = 169,447.88 × 69,071.45
  4. Step 4: Simplify right side
    122,782.95x = 11,704,010,096.47
  5. Step 5: Solve for x
    x = 11,704,010,096.47/122,782.95
  6. Step 6: Final answer
    x = 95,322.76

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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.