Home / 121,386.74-182,080.10-51,266.66

Finding the Fourth Proportional to 121,386.74, 182,080.10 and 51,266.66

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Solution

The fourth proportional to 121,386.74, 182,080.10 and 51,266.66 is: 76,899.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,386.74 : 182,080.10 = 51,266.66 : x
  2. Step 2: Convert to fraction form
    121,386.74/182,080.10 = 51,266.66/x
  3. Step 3: Cross multiply
    121,386.74x = 182,080.10 × 51,266.66
  4. Step 4: Simplify right side
    121,386.74x = 9,334,637,797.23
  5. Step 5: Solve for x
    x = 9,334,637,797.23/121,386.74
  6. Step 6: Final answer
    x = 76,899.98

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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.