Home / 145,263.20-200,487.04-121,025.77

Finding the Fourth Proportional to 145,263.20, 200,487.04 and 121,025.77

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Solution

The fourth proportional to 145,263.20, 200,487.04 and 121,025.77 is: 167,035.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,263.20 : 200,487.04 = 121,025.77 : x
  2. Step 2: Convert to fraction form
    145,263.20/200,487.04 = 121,025.77/x
  3. Step 3: Cross multiply
    145,263.20x = 200,487.04 × 121,025.77
  4. Step 4: Simplify right side
    145,263.20x = 24,264,099,019.84
  5. Step 5: Solve for x
    x = 24,264,099,019.84/145,263.20
  6. Step 6: Final answer
    x = 167,035.42

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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.