Home / 155,128.07-232,476.82-70,681.85

Finding the Fourth Proportional to 155,128.07, 232,476.82 and 70,681.85

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Solution

The fourth proportional to 155,128.07, 232,476.82 and 70,681.85 is: 105,924.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,128.07 : 232,476.82 = 70,681.85 : x
  2. Step 2: Convert to fraction form
    155,128.07/232,476.82 = 70,681.85/x
  3. Step 3: Cross multiply
    155,128.07x = 232,476.82 × 70,681.85
  4. Step 4: Simplify right side
    155,128.07x = 16,431,891,252.42
  5. Step 5: Solve for x
    x = 16,431,891,252.42/155,128.07
  6. Step 6: Final answer
    x = 105,924.68

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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.