Home / 131,398.02-197,129.79-37,903.77

Finding the Fourth Proportional to 131,398.02, 197,129.79 and 37,903.77

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Solution

The fourth proportional to 131,398.02, 197,129.79 and 37,903.77 is: 56,865.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,398.02 : 197,129.79 = 37,903.77 : x
  2. Step 2: Convert to fraction form
    131,398.02/197,129.79 = 37,903.77/x
  3. Step 3: Cross multiply
    131,398.02x = 197,129.79 × 37,903.77
  4. Step 4: Simplify right side
    131,398.02x = 7,471,962,220.31
  5. Step 5: Solve for x
    x = 7,471,962,220.31/131,398.02
  6. Step 6: Final answer
    x = 56,865.11

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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.