Home / 178,145.28-245,779.47-101,609.37

Finding the Fourth Proportional to 178,145.28, 245,779.47 and 101,609.37

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Solution

The fourth proportional to 178,145.28, 245,779.47 and 101,609.37 is: 140,186.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,145.28 : 245,779.47 = 101,609.37 : x
  2. Step 2: Convert to fraction form
    178,145.28/245,779.47 = 101,609.37/x
  3. Step 3: Cross multiply
    178,145.28x = 245,779.47 × 101,609.37
  4. Step 4: Simplify right side
    178,145.28x = 24,973,497,105.63
  5. Step 5: Solve for x
    x = 24,973,497,105.63/178,145.28
  6. Step 6: Final answer
    x = 140,186.13

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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.