Home / 249,643.05-374,427.66-91,834.59

Finding the Fourth Proportional to 249,643.05, 374,427.66 and 91,834.59

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Solution

The fourth proportional to 249,643.05, 374,427.66 and 91,834.59 is: 137,738.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,643.05 : 374,427.66 = 91,834.59 : x
  2. Step 2: Convert to fraction form
    249,643.05/374,427.66 = 91,834.59/x
  3. Step 3: Cross multiply
    249,643.05x = 374,427.66 × 91,834.59
  4. Step 4: Simplify right side
    249,643.05x = 34,385,412,389.24
  5. Step 5: Solve for x
    x = 34,385,412,389.24/249,643.05
  6. Step 6: Final answer
    x = 137,738.31

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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.