Home / 136,637.55-203,598.02-121,731.93

Finding the Fourth Proportional to 136,637.55, 203,598.02 and 121,731.93

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Solution

The fourth proportional to 136,637.55, 203,598.02 and 121,731.93 is: 181,387.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,637.55 : 203,598.02 = 121,731.93 : x
  2. Step 2: Convert to fraction form
    136,637.55/203,598.02 = 121,731.93/x
  3. Step 3: Cross multiply
    136,637.55x = 203,598.02 × 121,731.93
  4. Step 4: Simplify right side
    136,637.55x = 24,784,379,918.78
  5. Step 5: Solve for x
    x = 24,784,379,918.78/136,637.55
  6. Step 6: Final answer
    x = 181,387.77

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.