Home / 149,580.18-224,231.76-78,488.10

Finding the Fourth Proportional to 149,580.18, 224,231.76 and 78,488.10

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Solution

The fourth proportional to 149,580.18, 224,231.76 and 78,488.10 is: 117,659.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,580.18 : 224,231.76 = 78,488.10 : x
  2. Step 2: Convert to fraction form
    149,580.18/224,231.76 = 78,488.10/x
  3. Step 3: Cross multiply
    149,580.18x = 224,231.76 × 78,488.10
  4. Step 4: Simplify right side
    149,580.18x = 17,599,524,802.06
  5. Step 5: Solve for x
    x = 17,599,524,802.06/149,580.18
  6. Step 6: Final answer
    x = 117,659.47

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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.