Home / 134,389.04-185,477.29-80,703.66

Finding the Fourth Proportional to 134,389.04, 185,477.29 and 80,703.66

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Solution

The fourth proportional to 134,389.04, 185,477.29 and 80,703.66 is: 111,383.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,389.04 : 185,477.29 = 80,703.66 : x
  2. Step 2: Convert to fraction form
    134,389.04/185,477.29 = 80,703.66/x
  3. Step 3: Cross multiply
    134,389.04x = 185,477.29 × 80,703.66
  4. Step 4: Simplify right side
    134,389.04x = 14,968,696,149.88
  5. Step 5: Solve for x
    x = 14,968,696,149.88/134,389.04
  6. Step 6: Final answer
    x = 111,383.31

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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.