Home / 302,127.15-453,098.10-99,685.89

Finding the Fourth Proportional to 302,127.15, 453,098.10 and 99,685.89

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Solution

The fourth proportional to 302,127.15, 453,098.10 and 99,685.89 is: 149,498.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,127.15 : 453,098.10 = 99,685.89 : x
  2. Step 2: Convert to fraction form
    302,127.15/453,098.10 = 99,685.89/x
  3. Step 3: Cross multiply
    302,127.15x = 453,098.10 × 99,685.89
  4. Step 4: Simplify right side
    302,127.15x = 45,167,487,355.81
  5. Step 5: Solve for x
    x = 45,167,487,355.81/302,127.15
  6. Step 6: Final answer
    x = 149,498.27

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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.