Home / 249,617.80-374,428.30-99,870.60

Finding the Fourth Proportional to 249,617.80, 374,428.30 and 99,870.60

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Solution

The fourth proportional to 249,617.80, 374,428.30 and 99,870.60 is: 149,806.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,617.80 : 374,428.30 = 99,870.60 : x
  2. Step 2: Convert to fraction form
    249,617.80/374,428.30 = 99,870.60/x
  3. Step 3: Cross multiply
    249,617.80x = 374,428.30 × 99,870.60
  4. Step 4: Simplify right side
    249,617.80x = 37,394,378,977.98
  5. Step 5: Solve for x
    x = 37,394,378,977.98/249,617.80
  6. Step 6: Final answer
    x = 149,806.54

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1.5x scale

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.