Home / 249,834.10-374,621.55-91,981.30

Finding the Fourth Proportional to 249,834.10, 374,621.55 and 91,981.30

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Solution

The fourth proportional to 249,834.10, 374,621.55 and 91,981.30 is: 137,924.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,834.10 : 374,621.55 = 91,981.30 : x
  2. Step 2: Convert to fraction form
    249,834.10/374,621.55 = 91,981.30/x
  3. Step 3: Cross multiply
    249,834.10x = 374,621.55 × 91,981.30
  4. Step 4: Simplify right side
    249,834.10x = 34,458,177,177.02
  5. Step 5: Solve for x
    x = 34,458,177,177.02/249,834.10
  6. Step 6: Final answer
    x = 137,924.24

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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.