Home / 109,051.41-150,486.56-61,303.74

Finding the Fourth Proportional to 109,051.41, 150,486.56 and 61,303.74

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Solution

The fourth proportional to 109,051.41, 150,486.56 and 61,303.74 is: 84,596.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,051.41 : 150,486.56 = 61,303.74 : x
  2. Step 2: Convert to fraction form
    109,051.41/150,486.56 = 61,303.74/x
  3. Step 3: Cross multiply
    109,051.41x = 150,486.56 × 61,303.74
  4. Step 4: Simplify right side
    109,051.41x = 9,225,388,306.78
  5. Step 5: Solve for x
    x = 9,225,388,306.78/109,051.41
  6. Step 6: Final answer
    x = 84,596.69

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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.