Home / 221,106.42-305,032.30-144,492.55

Finding the Fourth Proportional to 221,106.42, 305,032.30 and 144,492.55

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Solution

The fourth proportional to 221,106.42, 305,032.30 and 144,492.55 is: 199,337.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,106.42 : 305,032.30 = 144,492.55 : x
  2. Step 2: Convert to fraction form
    221,106.42/305,032.30 = 144,492.55/x
  3. Step 3: Cross multiply
    221,106.42x = 305,032.30 × 144,492.55
  4. Step 4: Simplify right side
    221,106.42x = 44,074,893,735.55
  5. Step 5: Solve for x
    x = 44,074,893,735.55/221,106.42
  6. Step 6: Final answer
    x = 199,337.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.