Home / 249,888.05-374,831.75-81,408.10

Finding the Fourth Proportional to 249,888.05, 374,831.75 and 81,408.10

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Solution

The fourth proportional to 249,888.05, 374,831.75 and 81,408.10 is: 122,112.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,888.05 : 374,831.75 = 81,408.10 : x
  2. Step 2: Convert to fraction form
    249,888.05/374,831.75 = 81,408.10/x
  3. Step 3: Cross multiply
    249,888.05x = 374,831.75 × 81,408.10
  4. Step 4: Simplify right side
    249,888.05x = 30,514,339,243.06
  5. Step 5: Solve for x
    x = 30,514,339,243.06/249,888.05
  6. Step 6: Final answer
    x = 122,112.04

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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.