Home / 122,999.34-169,661.07-77,598.03

Finding the Fourth Proportional to 122,999.34, 169,661.07 and 77,598.03

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Solution

The fourth proportional to 122,999.34, 169,661.07 and 77,598.03 is: 107,036.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,999.34 : 169,661.07 = 77,598.03 : x
  2. Step 2: Convert to fraction form
    122,999.34/169,661.07 = 77,598.03/x
  3. Step 3: Cross multiply
    122,999.34x = 169,661.07 × 77,598.03
  4. Step 4: Simplify right side
    122,999.34x = 13,165,364,799.69
  5. Step 5: Solve for x
    x = 13,165,364,799.69/122,999.34
  6. Step 6: Final answer
    x = 107,036.06

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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.