Home / 145,904.64-218,895.36-66,954.24

Finding the Fourth Proportional to 145,904.64, 218,895.36 and 66,954.24

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Solution

The fourth proportional to 145,904.64, 218,895.36 and 66,954.24 is: 100,448.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,904.64 : 218,895.36 = 66,954.24 : x
  2. Step 2: Convert to fraction form
    145,904.64/218,895.36 = 66,954.24/x
  3. Step 3: Cross multiply
    145,904.64x = 218,895.36 × 66,954.24
  4. Step 4: Simplify right side
    145,904.64x = 14,655,972,468.33
  5. Step 5: Solve for x
    x = 14,655,972,468.33/145,904.64
  6. Step 6: Final answer
    x = 100,448.98

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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.