Home / 119,130.84-164,399.33-65,415.35

Finding the Fourth Proportional to 119,130.84, 164,399.33 and 65,415.35

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Solution

The fourth proportional to 119,130.84, 164,399.33 and 65,415.35 is: 90,272.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,130.84 : 164,399.33 = 65,415.35 : x
  2. Step 2: Convert to fraction form
    119,130.84/164,399.33 = 65,415.35/x
  3. Step 3: Cross multiply
    119,130.84x = 164,399.33 × 65,415.35
  4. Step 4: Simplify right side
    119,130.84x = 10,754,238,562.64
  5. Step 5: Solve for x
    x = 10,754,238,562.64/119,130.84
  6. Step 6: Final answer
    x = 90,272.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.