Home / 148,898.40-223,347.60-139,056.90

Finding the Fourth Proportional to 148,898.40, 223,347.60 and 139,056.90

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Solution

The fourth proportional to 148,898.40, 223,347.60 and 139,056.90 is: 208,585.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,898.40 : 223,347.60 = 139,056.90 : x
  2. Step 2: Convert to fraction form
    148,898.40/223,347.60 = 139,056.90/x
  3. Step 3: Cross multiply
    148,898.40x = 223,347.60 × 139,056.90
  4. Step 4: Simplify right side
    148,898.40x = 31,058,024,878.44
  5. Step 5: Solve for x
    x = 31,058,024,878.44/148,898.40
  6. Step 6: Final answer
    x = 208,585.35

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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.