Home / 149,681.63-224,403.18-86,429.94

Finding the Fourth Proportional to 149,681.63, 224,403.18 and 86,429.94

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Solution

The fourth proportional to 149,681.63, 224,403.18 and 86,429.94 is: 129,576.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,681.63 : 224,403.18 = 86,429.94 : x
  2. Step 2: Convert to fraction form
    149,681.63/224,403.18 = 86,429.94/x
  3. Step 3: Cross multiply
    149,681.63x = 224,403.18 × 86,429.94
  4. Step 4: Simplify right side
    149,681.63x = 19,395,153,383.21
  5. Step 5: Solve for x
    x = 19,395,153,383.21/149,681.63
  6. Step 6: Final answer
    x = 129,576.05

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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.