Home / 110,424.21-152,346.59-72,206.12

Finding the Fourth Proportional to 110,424.21, 152,346.59 and 72,206.12

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Solution

The fourth proportional to 110,424.21, 152,346.59 and 72,206.12 is: 99,619.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,424.21 : 152,346.59 = 72,206.12 : x
  2. Step 2: Convert to fraction form
    110,424.21/152,346.59 = 72,206.12/x
  3. Step 3: Cross multiply
    110,424.21x = 152,346.59 × 72,206.12
  4. Step 4: Simplify right side
    110,424.21x = 11,000,355,036.37
  5. Step 5: Solve for x
    x = 11,000,355,036.37/110,424.21
  6. Step 6: Final answer
    x = 99,619.05

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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.