Home / 145,410.13-218,115.53-44,209.07

Finding the Fourth Proportional to 145,410.13, 218,115.53 and 44,209.07

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Solution

The fourth proportional to 145,410.13, 218,115.53 and 44,209.07 is: 66,313.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,410.13 : 218,115.53 = 44,209.07 : x
  2. Step 2: Convert to fraction form
    145,410.13/218,115.53 = 44,209.07/x
  3. Step 3: Cross multiply
    145,410.13x = 218,115.53 × 44,209.07
  4. Step 4: Simplify right side
    145,410.13x = 9,642,684,733.86
  5. Step 5: Solve for x
    x = 9,642,684,733.86/145,410.13
  6. Step 6: Final answer
    x = 66,313.71

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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.