Home / 155,527.80-233,118.90-66,766.20

Finding the Fourth Proportional to 155,527.80, 233,118.90 and 66,766.20

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Solution

The fourth proportional to 155,527.80, 233,118.90 and 66,766.20 is: 100,075.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,527.80 : 233,118.90 = 66,766.20 : x
  2. Step 2: Convert to fraction form
    155,527.80/233,118.90 = 66,766.20/x
  3. Step 3: Cross multiply
    155,527.80x = 233,118.90 × 66,766.20
  4. Step 4: Simplify right side
    155,527.80x = 15,564,463,101.18
  5. Step 5: Solve for x
    x = 15,564,463,101.18/155,527.80
  6. Step 6: Final answer
    x = 100,075.12

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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.