Home / 154,877.80-232,318.32-66,075.88

Finding the Fourth Proportional to 154,877.80, 232,318.32 and 66,075.88

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Solution

The fourth proportional to 154,877.80, 232,318.32 and 66,075.88 is: 99,114.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,877.80 : 232,318.32 = 66,075.88 : x
  2. Step 2: Convert to fraction form
    154,877.80/232,318.32 = 66,075.88/x
  3. Step 3: Cross multiply
    154,877.80x = 232,318.32 × 66,075.88
  4. Step 4: Simplify right side
    154,877.80x = 15,350,637,434.12
  5. Step 5: Solve for x
    x = 15,350,637,434.12/154,877.80
  6. Step 6: Final answer
    x = 99,114.51

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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.