Home / 121,497.79-182,075.41-57,387.59

Finding the Fourth Proportional to 121,497.79, 182,075.41 and 57,387.59

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Solution

The fourth proportional to 121,497.79, 182,075.41 and 57,387.59 is: 86,000.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,497.79 : 182,075.41 = 57,387.59 : x
  2. Step 2: Convert to fraction form
    121,497.79/182,075.41 = 57,387.59/x
  3. Step 3: Cross multiply
    121,497.79x = 182,075.41 × 57,387.59
  4. Step 4: Simplify right side
    121,497.79x = 10,448,868,978.16
  5. Step 5: Solve for x
    x = 10,448,868,978.16/121,497.79
  6. Step 6: Final answer
    x = 86,000.49

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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.