Home / 103,228.90-154,017.13-92,002.30

Finding the Fourth Proportional to 103,228.90, 154,017.13 and 92,002.30

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Solution

The fourth proportional to 103,228.90, 154,017.13 and 92,002.30 is: 137,267.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,228.90 : 154,017.13 = 92,002.30 : x
  2. Step 2: Convert to fraction form
    103,228.90/154,017.13 = 92,002.30/x
  3. Step 3: Cross multiply
    103,228.90x = 154,017.13 × 92,002.30
  4. Step 4: Simplify right side
    103,228.90x = 14,169,930,199.40
  5. Step 5: Solve for x
    x = 14,169,930,199.40/103,228.90
  6. Step 6: Final answer
    x = 137,267.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.