Home / 249,521.65-374,389.70-81,093.60

Finding the Fourth Proportional to 249,521.65, 374,389.70 and 81,093.60

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Solution

The fourth proportional to 249,521.65, 374,389.70 and 81,093.60 is: 121,675.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,521.65 : 374,389.70 = 81,093.60 : x
  2. Step 2: Convert to fraction form
    249,521.65/374,389.70 = 81,093.60/x
  3. Step 3: Cross multiply
    249,521.65x = 374,389.70 × 81,093.60
  4. Step 4: Simplify right side
    249,521.65x = 30,360,608,170.45
  5. Step 5: Solve for x
    x = 30,360,608,170.45/249,521.65
  6. Step 6: Final answer
    x = 121,675.25

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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.