Home / 99,457.30-149,090.10-63,818.11

Finding the Fourth Proportional to 99,457.30, 149,090.10 and 63,818.11

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Solution

The fourth proportional to 99,457.30, 149,090.10 and 63,818.11 is: 95,665.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,457.30 : 149,090.10 = 63,818.11 : x
  2. Step 2: Convert to fraction form
    99,457.30/149,090.10 = 63,818.11/x
  3. Step 3: Cross multiply
    99,457.30x = 149,090.10 × 63,818.11
  4. Step 4: Simplify right side
    99,457.30x = 9,514,648,401.71
  5. Step 5: Solve for x
    x = 9,514,648,401.71/99,457.30
  6. Step 6: Final answer
    x = 95,665.66

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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.