Home / 122,639.39-169,227.14-70,965.36

Finding the Fourth Proportional to 122,639.39, 169,227.14 and 70,965.36

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Solution

The fourth proportional to 122,639.39, 169,227.14 and 70,965.36 is: 97,923.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,639.39 : 169,227.14 = 70,965.36 : x
  2. Step 2: Convert to fraction form
    122,639.39/169,227.14 = 70,965.36/x
  3. Step 3: Cross multiply
    122,639.39x = 169,227.14 × 70,965.36
  4. Step 4: Simplify right side
    122,639.39x = 12,009,264,557.04
  5. Step 5: Solve for x
    x = 12,009,264,557.04/122,639.39
  6. Step 6: Final answer
    x = 97,923.39

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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.