Home / 199,831.76-299,386.68-124,916.24

Finding the Fourth Proportional to 199,831.76, 299,386.68 and 124,916.24

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Solution

The fourth proportional to 199,831.76, 299,386.68 and 124,916.24 is: 187,148.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,831.76 : 299,386.68 = 124,916.24 : x
  2. Step 2: Convert to fraction form
    199,831.76/299,386.68 = 124,916.24/x
  3. Step 3: Cross multiply
    199,831.76x = 299,386.68 × 124,916.24
  4. Step 4: Simplify right side
    199,831.76x = 37,398,258,371.68
  5. Step 5: Solve for x
    x = 37,398,258,371.68/199,831.76
  6. Step 6: Final answer
    x = 187,148.72

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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.