Home / 135,030.10-202,383.15-56,103.70

Finding the Fourth Proportional to 135,030.10, 202,383.15 and 56,103.70

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Solution

The fourth proportional to 135,030.10, 202,383.15 and 56,103.70 is: 84,088.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,030.10 : 202,383.15 = 56,103.70 : x
  2. Step 2: Convert to fraction form
    135,030.10/202,383.15 = 56,103.70/x
  3. Step 3: Cross multiply
    135,030.10x = 202,383.15 × 56,103.70
  4. Step 4: Simplify right side
    135,030.10x = 11,354,443,532.66
  5. Step 5: Solve for x
    x = 11,354,443,532.66/135,030.10
  6. Step 6: Final answer
    x = 84,088.24

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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.