Home / 119,075.47-164,329.97-65,359.91

Finding the Fourth Proportional to 119,075.47, 164,329.97 and 65,359.91

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Solution

The fourth proportional to 119,075.47, 164,329.97 and 65,359.91 is: 90,199.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,075.47 : 164,329.97 = 65,359.91 : x
  2. Step 2: Convert to fraction form
    119,075.47/164,329.97 = 65,359.91/x
  3. Step 3: Cross multiply
    119,075.47x = 164,329.97 × 65,359.91
  4. Step 4: Simplify right side
    119,075.47x = 10,740,592,133.53
  5. Step 5: Solve for x
    x = 10,740,592,133.53/119,075.47
  6. Step 6: Final answer
    x = 90,199.87

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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.