Home / 249,389.70-374,319.45-131,145.90

Finding the Fourth Proportional to 249,389.70, 374,319.45 and 131,145.90

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Solution

The fourth proportional to 249,389.70, 374,319.45 and 131,145.90 is: 196,842.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,389.70 : 374,319.45 = 131,145.90 : x
  2. Step 2: Convert to fraction form
    249,389.70/374,319.45 = 131,145.90/x
  3. Step 3: Cross multiply
    249,389.70x = 374,319.45 × 131,145.90
  4. Step 4: Simplify right side
    249,389.70x = 49,090,461,157.76
  5. Step 5: Solve for x
    x = 49,090,461,157.76/249,389.70
  6. Step 6: Final answer
    x = 196,842.38

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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.