Home / 153,391.24-230,401.74-100,875.40

Finding the Fourth Proportional to 153,391.24, 230,401.74 and 100,875.40

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Solution

The fourth proportional to 153,391.24, 230,401.74 and 100,875.40 is: 151,520.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,391.24 : 230,401.74 = 100,875.40 : x
  2. Step 2: Convert to fraction form
    153,391.24/230,401.74 = 100,875.40/x
  3. Step 3: Cross multiply
    153,391.24x = 230,401.74 × 100,875.40
  4. Step 4: Simplify right side
    153,391.24x = 23,241,867,683.20
  5. Step 5: Solve for x
    x = 23,241,867,683.20/153,391.24
  6. Step 6: Final answer
    x = 151,520.18

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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.