Home / 193,465.77-266,979.02-107,420.28

Finding the Fourth Proportional to 193,465.77, 266,979.02 and 107,420.28

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Solution

The fourth proportional to 193,465.77, 266,979.02 and 107,420.28 is: 148,237.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,465.77 : 266,979.02 = 107,420.28 : x
  2. Step 2: Convert to fraction form
    193,465.77/266,979.02 = 107,420.28/x
  3. Step 3: Cross multiply
    193,465.77x = 266,979.02 × 107,420.28
  4. Step 4: Simplify right side
    193,465.77x = 28,678,960,545.42
  5. Step 5: Solve for x
    x = 28,678,960,545.42/193,465.77
  6. Step 6: Final answer
    x = 148,237.91

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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.