Home / 95,686.02-143,529.12-78,974.10

Finding the Fourth Proportional to 95,686.02, 143,529.12 and 78,974.10

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Solution

The fourth proportional to 95,686.02, 143,529.12 and 78,974.10 is: 118,461.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,686.02 : 143,529.12 = 78,974.10 : x
  2. Step 2: Convert to fraction form
    95,686.02/143,529.12 = 78,974.10/x
  3. Step 3: Cross multiply
    95,686.02x = 143,529.12 × 78,974.10
  4. Step 4: Simplify right side
    95,686.02x = 11,335,083,075.79
  5. Step 5: Solve for x
    x = 11,335,083,075.79/95,686.02
  6. Step 6: Final answer
    x = 118,461.22

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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.