Home / 119,985.02-179,988.29-31,239.29

Finding the Fourth Proportional to 119,985.02, 179,988.29 and 31,239.29

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Solution

The fourth proportional to 119,985.02, 179,988.29 and 31,239.29 is: 46,861.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,985.02 : 179,988.29 = 31,239.29 : x
  2. Step 2: Convert to fraction form
    119,985.02/179,988.29 = 31,239.29/x
  3. Step 3: Cross multiply
    119,985.02x = 179,988.29 × 31,239.29
  4. Step 4: Simplify right side
    119,985.02x = 5,622,706,828.91
  5. Step 5: Solve for x
    x = 5,622,706,828.91/119,985.02
  6. Step 6: Final answer
    x = 46,861.74

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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.