Home / 143,491.49-215,204.36-42,263.36

Finding the Fourth Proportional to 143,491.49, 215,204.36 and 42,263.36

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Solution

The fourth proportional to 143,491.49, 215,204.36 and 42,263.36 is: 63,385.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,491.49 : 215,204.36 = 42,263.36 : x
  2. Step 2: Convert to fraction form
    143,491.49/215,204.36 = 42,263.36/x
  3. Step 3: Cross multiply
    143,491.49x = 215,204.36 × 42,263.36
  4. Step 4: Simplify right side
    143,491.49x = 9,095,258,052.91
  5. Step 5: Solve for x
    x = 9,095,258,052.91/143,491.49
  6. Step 6: Final answer
    x = 63,385.35

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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.