Home / 99,079.56-148,528.44-42,884.28

Finding the Fourth Proportional to 99,079.56, 148,528.44 and 42,884.28

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Solution

The fourth proportional to 99,079.56, 148,528.44 and 42,884.28 is: 64,287.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,079.56 : 148,528.44 = 42,884.28 : x
  2. Step 2: Convert to fraction form
    99,079.56/148,528.44 = 42,884.28/x
  3. Step 3: Cross multiply
    99,079.56x = 148,528.44 × 42,884.28
  4. Step 4: Simplify right side
    99,079.56x = 6,369,535,208.92
  5. Step 5: Solve for x
    x = 6,369,535,208.92/99,079.56
  6. Step 6: Final answer
    x = 64,287.08

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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.