Home / 158,477.63-218,689.22-86,852.57

Finding the Fourth Proportional to 158,477.63, 218,689.22 and 86,852.57

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Solution

The fourth proportional to 158,477.63, 218,689.22 and 86,852.57 is: 119,851.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,477.63 : 218,689.22 = 86,852.57 : x
  2. Step 2: Convert to fraction form
    158,477.63/218,689.22 = 86,852.57/x
  3. Step 3: Cross multiply
    158,477.63x = 218,689.22 × 86,852.57
  4. Step 4: Simplify right side
    158,477.63x = 18,993,720,354.03
  5. Step 5: Solve for x
    x = 18,993,720,354.03/158,477.63
  6. Step 6: Final answer
    x = 119,851.11

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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.