Home / 138,043.74-207,145.98-58,075.95

Finding the Fourth Proportional to 138,043.74, 207,145.98 and 58,075.95

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Solution

The fourth proportional to 138,043.74, 207,145.98 and 58,075.95 is: 87,147.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,043.74 : 207,145.98 = 58,075.95 : x
  2. Step 2: Convert to fraction form
    138,043.74/207,145.98 = 58,075.95/x
  3. Step 3: Cross multiply
    138,043.74x = 207,145.98 × 58,075.95
  4. Step 4: Simplify right side
    138,043.74x = 12,030,199,577.18
  5. Step 5: Solve for x
    x = 12,030,199,577.18/138,043.74
  6. Step 6: Final answer
    x = 87,147.74

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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.