Home / 148,914.40-223,371.60-85,710.10

Finding the Fourth Proportional to 148,914.40, 223,371.60 and 85,710.10

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Solution

The fourth proportional to 148,914.40, 223,371.60 and 85,710.10 is: 128,565.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,914.40 : 223,371.60 = 85,710.10 : x
  2. Step 2: Convert to fraction form
    148,914.40/223,371.60 = 85,710.10/x
  3. Step 3: Cross multiply
    148,914.40x = 223,371.60 × 85,710.10
  4. Step 4: Simplify right side
    148,914.40x = 19,145,202,173.16
  5. Step 5: Solve for x
    x = 19,145,202,173.16/148,914.40
  6. Step 6: Final answer
    x = 128,565.15

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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.