Home / 147,075.75-220,646.43-53,581.50

Finding the Fourth Proportional to 147,075.75, 220,646.43 and 53,581.50

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Solution

The fourth proportional to 147,075.75, 220,646.43 and 53,581.50 is: 80,384.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,075.75 : 220,646.43 = 53,581.50 : x
  2. Step 2: Convert to fraction form
    147,075.75/220,646.43 = 53,581.50/x
  3. Step 3: Cross multiply
    147,075.75x = 220,646.43 × 53,581.50
  4. Step 4: Simplify right side
    147,075.75x = 11,822,566,689.05
  5. Step 5: Solve for x
    x = 11,822,566,689.05/147,075.75
  6. Step 6: Final answer
    x = 80,384.20

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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.