Home / 162,416.80-243,625.20-57,246.40

Finding the Fourth Proportional to 162,416.80, 243,625.20 and 57,246.40

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Solution

The fourth proportional to 162,416.80, 243,625.20 and 57,246.40 is: 85,869.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,416.80 : 243,625.20 = 57,246.40 : x
  2. Step 2: Convert to fraction form
    162,416.80/243,625.20 = 57,246.40/x
  3. Step 3: Cross multiply
    162,416.80x = 243,625.20 × 57,246.40
  4. Step 4: Simplify right side
    162,416.80x = 13,946,665,649.28
  5. Step 5: Solve for x
    x = 13,946,665,649.28/162,416.80
  6. Step 6: Final answer
    x = 85,869.60

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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.