Home / 133,237.08-183,867.74-72,807.58

Finding the Fourth Proportional to 133,237.08, 183,867.74 and 72,807.58

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Solution

The fourth proportional to 133,237.08, 183,867.74 and 72,807.58 is: 100,474.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,237.08 : 183,867.74 = 72,807.58 : x
  2. Step 2: Convert to fraction form
    133,237.08/183,867.74 = 72,807.58/x
  3. Step 3: Cross multiply
    133,237.08x = 183,867.74 × 72,807.58
  4. Step 4: Simplify right side
    133,237.08x = 13,386,965,189.47
  5. Step 5: Solve for x
    x = 13,386,965,189.47/133,237.08
  6. Step 6: Final answer
    x = 100,474.77

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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.