Home / 115,590.30-173,385.45-71,267.10

Finding the Fourth Proportional to 115,590.30, 173,385.45 and 71,267.10

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Solution

The fourth proportional to 115,590.30, 173,385.45 and 71,267.10 is: 106,900.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,590.30 : 173,385.45 = 71,267.10 : x
  2. Step 2: Convert to fraction form
    115,590.30/173,385.45 = 71,267.10/x
  3. Step 3: Cross multiply
    115,590.30x = 173,385.45 × 71,267.10
  4. Step 4: Simplify right side
    115,590.30x = 12,356,678,203.70
  5. Step 5: Solve for x
    x = 12,356,678,203.70/115,590.30
  6. Step 6: Final answer
    x = 106,900.65

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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.