Home / 144,749.30-216,883.90-102,419.58

Finding the Fourth Proportional to 144,749.30, 216,883.90 and 102,419.58

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Solution

The fourth proportional to 144,749.30, 216,883.90 and 102,419.58 is: 153,459.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,749.30 : 216,883.90 = 102,419.58 : x
  2. Step 2: Convert to fraction form
    144,749.30/216,883.90 = 102,419.58/x
  3. Step 3: Cross multiply
    144,749.30x = 216,883.90 × 102,419.58
  4. Step 4: Simplify right side
    144,749.30x = 22,213,157,946.76
  5. Step 5: Solve for x
    x = 22,213,157,946.76/144,749.30
  6. Step 6: Final answer
    x = 153,459.52

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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.