Home / 136,534.93-204,842.71-70,021.65

Finding the Fourth Proportional to 136,534.93, 204,842.71 and 70,021.65

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Solution

The fourth proportional to 136,534.93, 204,842.71 and 70,021.65 is: 105,053.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,534.93 : 204,842.71 = 70,021.65 : x
  2. Step 2: Convert to fraction form
    136,534.93/204,842.71 = 70,021.65/x
  3. Step 3: Cross multiply
    136,534.93x = 204,842.71 × 70,021.65
  4. Step 4: Simplify right side
    136,534.93x = 14,343,424,369.62
  5. Step 5: Solve for x
    x = 14,343,424,369.62/136,534.93
  6. Step 6: Final answer
    x = 105,053.15

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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.