Home / 145,549.05-218,249.72-66,595.62

Finding the Fourth Proportional to 145,549.05, 218,249.72 and 66,595.62

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Solution

The fourth proportional to 145,549.05, 218,249.72 and 66,595.62 is: 99,859.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,549.05 : 218,249.72 = 66,595.62 : x
  2. Step 2: Convert to fraction form
    145,549.05/218,249.72 = 66,595.62/x
  3. Step 3: Cross multiply
    145,549.05x = 218,249.72 × 66,595.62
  4. Step 4: Simplify right side
    145,549.05x = 14,534,475,300.36
  5. Step 5: Solve for x
    x = 14,534,475,300.36/145,549.05
  6. Step 6: Final answer
    x = 99,859.64

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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.