Home / 99,278.03-148,927.94-43,079.51

Finding the Fourth Proportional to 99,278.03, 148,927.94 and 43,079.51

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Solution

The fourth proportional to 99,278.03, 148,927.94 and 43,079.51 is: 64,623.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,278.03 : 148,927.94 = 43,079.51 : x
  2. Step 2: Convert to fraction form
    99,278.03/148,927.94 = 43,079.51/x
  3. Step 3: Cross multiply
    99,278.03x = 148,927.94 × 43,079.51
  4. Step 4: Simplify right side
    99,278.03x = 6,415,742,680.51
  5. Step 5: Solve for x
    x = 6,415,742,680.51/99,278.03
  6. Step 6: Final answer
    x = 64,623.99

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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.