Home / 99,280.07-148,836.37-43,077.81

Finding the Fourth Proportional to 99,280.07, 148,836.37 and 43,077.81

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Solution

The fourth proportional to 99,280.07, 148,836.37 and 43,077.81 is: 64,580.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,280.07 : 148,836.37 = 43,077.81 : x
  2. Step 2: Convert to fraction form
    99,280.07/148,836.37 = 43,077.81/x
  3. Step 3: Cross multiply
    99,280.07x = 148,836.37 × 43,077.81
  4. Step 4: Simplify right side
    99,280.07x = 6,411,544,867.95
  5. Step 5: Solve for x
    x = 6,411,544,867.95/99,280.07
  6. Step 6: Final answer
    x = 64,580.38

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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.