Home / 162,763.02-243,899.35-145,025.45

Finding the Fourth Proportional to 162,763.02, 243,899.35 and 145,025.45

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Solution

The fourth proportional to 162,763.02, 243,899.35 and 145,025.45 is: 217,319.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,763.02 : 243,899.35 = 145,025.45 : x
  2. Step 2: Convert to fraction form
    162,763.02/243,899.35 = 145,025.45/x
  3. Step 3: Cross multiply
    162,763.02x = 243,899.35 × 145,025.45
  4. Step 4: Simplify right side
    162,763.02x = 35,371,611,838.99
  5. Step 5: Solve for x
    x = 35,371,611,838.99/162,763.02
  6. Step 6: Final answer
    x = 217,319.71

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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.