Home / 121,746.80-182,361.84-79,477.52

Finding the Fourth Proportional to 121,746.80, 182,361.84 and 79,477.52

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Solution

The fourth proportional to 121,746.80, 182,361.84 and 79,477.52 is: 119,047.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,746.80 : 182,361.84 = 79,477.52 : x
  2. Step 2: Convert to fraction form
    121,746.80/182,361.84 = 79,477.52/x
  3. Step 3: Cross multiply
    121,746.80x = 182,361.84 × 79,477.52
  4. Step 4: Simplify right side
    121,746.80x = 14,493,666,785.84
  5. Step 5: Solve for x
    x = 14,493,666,785.84/121,746.80
  6. Step 6: Final answer
    x = 119,047.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.