Home / 148,664.10-223,030.20-64,438.40

Finding the Fourth Proportional to 148,664.10, 223,030.20 and 64,438.40

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Solution

The fourth proportional to 148,664.10, 223,030.20 and 64,438.40 is: 96,672.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,664.10 : 223,030.20 = 64,438.40 : x
  2. Step 2: Convert to fraction form
    148,664.10/223,030.20 = 64,438.40/x
  3. Step 3: Cross multiply
    148,664.10x = 223,030.20 × 64,438.40
  4. Step 4: Simplify right side
    148,664.10x = 14,371,709,239.68
  5. Step 5: Solve for x
    x = 14,371,709,239.68/148,664.10
  6. Step 6: Final answer
    x = 96,672.36

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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.