Home / 187,223.02-258,503.08-115,701.10

Finding the Fourth Proportional to 187,223.02, 258,503.08 and 115,701.10

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Solution

The fourth proportional to 187,223.02, 258,503.08 and 115,701.10 is: 159,751.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,223.02 : 258,503.08 = 115,701.10 : x
  2. Step 2: Convert to fraction form
    187,223.02/258,503.08 = 115,701.10/x
  3. Step 3: Cross multiply
    187,223.02x = 258,503.08 × 115,701.10
  4. Step 4: Simplify right side
    187,223.02x = 29,909,090,709.39
  5. Step 5: Solve for x
    x = 29,909,090,709.39/187,223.02
  6. Step 6: Final answer
    x = 159,751.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.