Home / 145,492.08-218,247.35-45,656.21

Finding the Fourth Proportional to 145,492.08, 218,247.35 and 45,656.21

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Solution

The fourth proportional to 145,492.08, 218,247.35 and 45,656.21 is: 68,487.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,492.08 : 218,247.35 = 45,656.21 : x
  2. Step 2: Convert to fraction form
    145,492.08/218,247.35 = 45,656.21/x
  3. Step 3: Cross multiply
    145,492.08x = 218,247.35 × 45,656.21
  4. Step 4: Simplify right side
    145,492.08x = 9,964,347,160.88
  5. Step 5: Solve for x
    x = 9,964,347,160.88/145,492.08
  6. Step 6: Final answer
    x = 68,487.21

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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.