Home / 128,333.48-192,533.02-49,426.52

Finding the Fourth Proportional to 128,333.48, 192,533.02 and 49,426.52

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Solution

The fourth proportional to 128,333.48, 192,533.02 and 49,426.52 is: 74,152.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,333.48 : 192,533.02 = 49,426.52 : x
  2. Step 2: Convert to fraction form
    128,333.48/192,533.02 = 49,426.52/x
  3. Step 3: Cross multiply
    128,333.48x = 192,533.02 × 49,426.52
  4. Step 4: Simplify right side
    128,333.48x = 9,516,236,077.46
  5. Step 5: Solve for x
    x = 9,516,236,077.46/128,333.48
  6. Step 6: Final answer
    x = 74,152.41

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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.