Home / 115,110.08-172,595.84-45,022.40

Finding the Fourth Proportional to 115,110.08, 172,595.84 and 45,022.40

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Solution

The fourth proportional to 115,110.08, 172,595.84 and 45,022.40 is: 67,506.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,110.08 : 172,595.84 = 45,022.40 : x
  2. Step 2: Convert to fraction form
    115,110.08/172,595.84 = 45,022.40/x
  3. Step 3: Cross multiply
    115,110.08x = 172,595.84 × 45,022.40
  4. Step 4: Simplify right side
    115,110.08x = 7,770,678,946.82
  5. Step 5: Solve for x
    x = 7,770,678,946.82/115,110.08
  6. Step 6: Final answer
    x = 67,506.50

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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.