Home / 132,737.84-183,177.05-72,308.30

Finding the Fourth Proportional to 132,737.84, 183,177.05 and 72,308.30

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Solution

The fourth proportional to 132,737.84, 183,177.05 and 72,308.30 is: 99,784.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,737.84 : 183,177.05 = 72,308.30 : x
  2. Step 2: Convert to fraction form
    132,737.84/183,177.05 = 72,308.30/x
  3. Step 3: Cross multiply
    132,737.84x = 183,177.05 × 72,308.30
  4. Step 4: Simplify right side
    132,737.84x = 13,245,219,807.09
  5. Step 5: Solve for x
    x = 13,245,219,807.09/132,737.84
  6. Step 6: Final answer
    x = 99,784.81

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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.