Home / 149,831.82-224,746.18-86,611.71

Finding the Fourth Proportional to 149,831.82, 224,746.18 and 86,611.71

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Solution

The fourth proportional to 149,831.82, 224,746.18 and 86,611.71 is: 129,916.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,831.82 : 224,746.18 = 86,611.71 : x
  2. Step 2: Convert to fraction form
    149,831.82/224,746.18 = 86,611.71/x
  3. Step 3: Cross multiply
    149,831.82x = 224,746.18 × 86,611.71
  4. Step 4: Simplify right side
    149,831.82x = 19,465,650,965.77
  5. Step 5: Solve for x
    x = 19,465,650,965.77/149,831.82
  6. Step 6: Final answer
    x = 129,916.67

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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.