Home / 145,151.02-217,638.11-65,173.45

Finding the Fourth Proportional to 145,151.02, 217,638.11 and 65,173.45

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Solution

The fourth proportional to 145,151.02, 217,638.11 and 65,173.45 is: 97,720.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,151.02 : 217,638.11 = 65,173.45 : x
  2. Step 2: Convert to fraction form
    145,151.02/217,638.11 = 65,173.45/x
  3. Step 3: Cross multiply
    145,151.02x = 217,638.11 × 65,173.45
  4. Step 4: Simplify right side
    145,151.02x = 14,184,227,349.15
  5. Step 5: Solve for x
    x = 14,184,227,349.15/145,151.02
  6. Step 6: Final answer
    x = 97,720.48

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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.