Home / 144,853.40-217,280.10-136,688.60

Finding the Fourth Proportional to 144,853.40, 217,280.10 and 136,688.60

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Solution

The fourth proportional to 144,853.40, 217,280.10 and 136,688.60 is: 205,032.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,853.40 : 217,280.10 = 136,688.60 : x
  2. Step 2: Convert to fraction form
    144,853.40/217,280.10 = 136,688.60/x
  3. Step 3: Cross multiply
    144,853.40x = 217,280.10 × 136,688.60
  4. Step 4: Simplify right side
    144,853.40x = 29,699,712,676.86
  5. Step 5: Solve for x
    x = 29,699,712,676.86/144,853.40
  6. Step 6: Final answer
    x = 205,032.90

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1.5x scale

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.