Home / 495,091.68-742,676.76-140,107.92

Finding the Fourth Proportional to 495,091.68, 742,676.76 and 140,107.92

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Solution

The fourth proportional to 495,091.68, 742,676.76 and 140,107.92 is: 210,172.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,091.68 : 742,676.76 = 140,107.92 : x
  2. Step 2: Convert to fraction form
    495,091.68/742,676.76 = 140,107.92/x
  3. Step 3: Cross multiply
    495,091.68x = 742,676.76 × 140,107.92
  4. Step 4: Simplify right side
    495,091.68x = 104,054,896,075.94
  5. Step 5: Solve for x
    x = 104,054,896,075.94/495,091.68
  6. Step 6: Final answer
    x = 210,172.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.