Home / 249,834.60-374,622.30-91,981.80

Finding the Fourth Proportional to 249,834.60, 374,622.30 and 91,981.80

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Solution

The fourth proportional to 249,834.60, 374,622.30 and 91,981.80 is: 137,924.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,834.60 : 374,622.30 = 91,981.80 : x
  2. Step 2: Convert to fraction form
    249,834.60/374,622.30 = 91,981.80/x
  3. Step 3: Cross multiply
    249,834.60x = 374,622.30 × 91,981.80
  4. Step 4: Simplify right side
    249,834.60x = 34,458,433,474.14
  5. Step 5: Solve for x
    x = 34,458,433,474.14/249,834.60
  6. Step 6: Final answer
    x = 137,924.99

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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.