Home / 138,834.93-191,449.00-118,758.27

Finding the Fourth Proportional to 138,834.93, 191,449.00 and 118,758.27

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Solution

The fourth proportional to 138,834.93, 191,449.00 and 118,758.27 is: 163,763.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,834.93 : 191,449.00 = 118,758.27 : x
  2. Step 2: Convert to fraction form
    138,834.93/191,449.00 = 118,758.27/x
  3. Step 3: Cross multiply
    138,834.93x = 191,449.00 × 118,758.27
  4. Step 4: Simplify right side
    138,834.93x = 22,736,150,482.19
  5. Step 5: Solve for x
    x = 22,736,150,482.19/138,834.93
  6. Step 6: Final answer
    x = 163,763.91

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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.