Home / 145,741.02-218,617.29-40,569.18

Finding the Fourth Proportional to 145,741.02, 218,617.29 and 40,569.18

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Solution

The fourth proportional to 145,741.02, 218,617.29 and 40,569.18 is: 60,855.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,741.02 : 218,617.29 = 40,569.18 : x
  2. Step 2: Convert to fraction form
    145,741.02/218,617.29 = 40,569.18/x
  3. Step 3: Cross multiply
    145,741.02x = 218,617.29 × 40,569.18
  4. Step 4: Simplify right side
    145,741.02x = 8,869,124,189.12
  5. Step 5: Solve for x
    x = 8,869,124,189.12/145,741.02
  6. Step 6: Final answer
    x = 60,855.37

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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.