Home / 249,570.18-374,376.03-81,086.77

Finding the Fourth Proportional to 249,570.18, 374,376.03 and 81,086.77

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Solution

The fourth proportional to 249,570.18, 374,376.03 and 81,086.77 is: 121,636.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,570.18 : 374,376.03 = 81,086.77 : x
  2. Step 2: Convert to fraction form
    249,570.18/374,376.03 = 81,086.77/x
  3. Step 3: Cross multiply
    249,570.18x = 374,376.03 × 81,086.77
  4. Step 4: Simplify right side
    249,570.18x = 30,356,942,632.69
  5. Step 5: Solve for x
    x = 30,356,942,632.69/249,570.18
  6. Step 6: Final answer
    x = 121,636.90

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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.