Home / 249,679.96-374,555.48-81,146.10

Finding the Fourth Proportional to 249,679.96, 374,555.48 and 81,146.10

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Solution

The fourth proportional to 249,679.96, 374,555.48 and 81,146.10 is: 121,730.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,679.96 : 374,555.48 = 81,146.10 : x
  2. Step 2: Convert to fraction form
    249,679.96/374,555.48 = 81,146.10/x
  3. Step 3: Cross multiply
    249,679.96x = 374,555.48 × 81,146.10
  4. Step 4: Simplify right side
    249,679.96x = 30,393,716,435.63
  5. Step 5: Solve for x
    x = 30,393,716,435.63/249,679.96
  6. Step 6: Final answer
    x = 121,730.70

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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.