Home / 249,850.94-374,802.66-81,384.40

Finding the Fourth Proportional to 249,850.94, 374,802.66 and 81,384.40

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Solution

The fourth proportional to 249,850.94, 374,802.66 and 81,384.40 is: 122,085.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,850.94 : 374,802.66 = 81,384.40 : x
  2. Step 2: Convert to fraction form
    249,850.94/374,802.66 = 81,384.40/x
  3. Step 3: Cross multiply
    249,850.94x = 374,802.66 × 81,384.40
  4. Step 4: Simplify right side
    249,850.94x = 30,503,089,602.50
  5. Step 5: Solve for x
    x = 30,503,089,602.50/249,850.94
  6. Step 6: Final answer
    x = 122,085.15

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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.