Home / 145,548.77-218,249.30-66,595.32

Finding the Fourth Proportional to 145,548.77, 218,249.30 and 66,595.32

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Solution

The fourth proportional to 145,548.77, 218,249.30 and 66,595.32 is: 99,859.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,548.77 : 218,249.30 = 66,595.32 : x
  2. Step 2: Convert to fraction form
    145,548.77/218,249.30 = 66,595.32/x
  3. Step 3: Cross multiply
    145,548.77x = 218,249.30 × 66,595.32
  4. Step 4: Simplify right side
    145,548.77x = 14,534,382,139.76
  5. Step 5: Solve for x
    x = 14,534,382,139.76/145,548.77
  6. Step 6: Final answer
    x = 99,859.19

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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.