Home / 109,075.14-150,520.95-61,328.43

Finding the Fourth Proportional to 109,075.14, 150,520.95 and 61,328.43

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Solution

The fourth proportional to 109,075.14, 150,520.95 and 61,328.43 is: 84,631.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,075.14 : 150,520.95 = 61,328.43 : x
  2. Step 2: Convert to fraction form
    109,075.14/150,520.95 = 61,328.43/x
  3. Step 3: Cross multiply
    109,075.14x = 150,520.95 × 61,328.43
  4. Step 4: Simplify right side
    109,075.14x = 9,231,213,545.61
  5. Step 5: Solve for x
    x = 9,231,213,545.61/109,075.14
  6. Step 6: Final answer
    x = 84,631.69

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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.