Home / 145,748.43-218,433.29-65,727.63

Finding the Fourth Proportional to 145,748.43, 218,433.29 and 65,727.63

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Solution

The fourth proportional to 145,748.43, 218,433.29 and 65,727.63 is: 98,506.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,748.43 : 218,433.29 = 65,727.63 : x
  2. Step 2: Convert to fraction form
    145,748.43/218,433.29 = 65,727.63/x
  3. Step 3: Cross multiply
    145,748.43x = 218,433.29 × 65,727.63
  4. Step 4: Simplify right side
    145,748.43x = 14,357,102,136.16
  5. Step 5: Solve for x
    x = 14,357,102,136.16/145,748.43
  6. Step 6: Final answer
    x = 98,506.05

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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.