Home / 133,139.43-183,419.91-92,779.83

Finding the Fourth Proportional to 133,139.43, 183,419.91 and 92,779.83

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Solution

The fourth proportional to 133,139.43, 183,419.91 and 92,779.83 is: 127,818.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,139.43 : 183,419.91 = 92,779.83 : x
  2. Step 2: Convert to fraction form
    133,139.43/183,419.91 = 92,779.83/x
  3. Step 3: Cross multiply
    133,139.43x = 183,419.91 × 92,779.83
  4. Step 4: Simplify right side
    133,139.43x = 17,017,668,068.42
  5. Step 5: Solve for x
    x = 17,017,668,068.42/133,139.43
  6. Step 6: Final answer
    x = 127,818.39

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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.