Home / 151,027.57-208,371.88-99,329.93

Finding the Fourth Proportional to 151,027.57, 208,371.88 and 99,329.93

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Solution

The fourth proportional to 151,027.57, 208,371.88 and 99,329.93 is: 137,044.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,027.57 : 208,371.88 = 99,329.93 : x
  2. Step 2: Convert to fraction form
    151,027.57/208,371.88 = 99,329.93/x
  3. Step 3: Cross multiply
    151,027.57x = 208,371.88 × 99,329.93
  4. Step 4: Simplify right side
    151,027.57x = 20,697,564,254.37
  5. Step 5: Solve for x
    x = 20,697,564,254.37/151,027.57
  6. Step 6: Final answer
    x = 137,044.94

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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.