Home / 145,742.02-218,618.79-40,570.18

Finding the Fourth Proportional to 145,742.02, 218,618.79 and 40,570.18

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Solution

The fourth proportional to 145,742.02, 218,618.79 and 40,570.18 is: 60,856.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,742.02 : 218,618.79 = 40,570.18 : x
  2. Step 2: Convert to fraction form
    145,742.02/218,618.79 = 40,570.18/x
  3. Step 3: Cross multiply
    145,742.02x = 218,618.79 × 40,570.18
  4. Step 4: Simplify right side
    145,742.02x = 8,869,403,661.68
  5. Step 5: Solve for x
    x = 8,869,403,661.68/145,742.02
  6. Step 6: Final answer
    x = 60,856.87

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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.