Home / 133,658.10-200,376.14-70,442.91

Finding the Fourth Proportional to 133,658.10, 200,376.14 and 70,442.91

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Solution

The fourth proportional to 133,658.10, 200,376.14 and 70,442.91 is: 105,605.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,658.10 : 200,376.14 = 70,442.91 : x
  2. Step 2: Convert to fraction form
    133,658.10/200,376.14 = 70,442.91/x
  3. Step 3: Cross multiply
    133,658.10x = 200,376.14 × 70,442.91
  4. Step 4: Simplify right side
    133,658.10x = 14,115,078,043.95
  5. Step 5: Solve for x
    x = 14,115,078,043.95/133,658.10
  6. Step 6: Final answer
    x = 105,605.86

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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.