Home / 103,730.10-155,595.15-102,002.10

Finding the Fourth Proportional to 103,730.10, 155,595.15 and 102,002.10

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Solution

The fourth proportional to 103,730.10, 155,595.15 and 102,002.10 is: 153,003.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,730.10 : 155,595.15 = 102,002.10 : x
  2. Step 2: Convert to fraction form
    103,730.10/155,595.15 = 102,002.10/x
  3. Step 3: Cross multiply
    103,730.10x = 155,595.15 × 102,002.10
  4. Step 4: Simplify right side
    103,730.10x = 15,871,032,049.82
  5. Step 5: Solve for x
    x = 15,871,032,049.82/103,730.10
  6. Step 6: Final answer
    x = 153,003.15

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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.