Home / 149,875.60-224,777.40-86,558.80

Finding the Fourth Proportional to 149,875.60, 224,777.40 and 86,558.80

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Solution

The fourth proportional to 149,875.60, 224,777.40 and 86,558.80 is: 129,817.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,875.60 : 224,777.40 = 86,558.80 : x
  2. Step 2: Convert to fraction form
    149,875.60/224,777.40 = 86,558.80/x
  3. Step 3: Cross multiply
    149,875.60x = 224,777.40 × 86,558.80
  4. Step 4: Simplify right side
    149,875.60x = 19,456,462,011.12
  5. Step 5: Solve for x
    x = 19,456,462,011.12/149,875.60
  6. Step 6: Final answer
    x = 129,817.41

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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.