Home / 134,537.09-185,461.88-86,132.10

Finding the Fourth Proportional to 134,537.09, 185,461.88 and 86,132.10

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Solution

The fourth proportional to 134,537.09, 185,461.88 and 86,132.10 is: 118,734.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,537.09 : 185,461.88 = 86,132.10 : x
  2. Step 2: Convert to fraction form
    134,537.09/185,461.88 = 86,132.10/x
  3. Step 3: Cross multiply
    134,537.09x = 185,461.88 × 86,132.10
  4. Step 4: Simplify right side
    134,537.09x = 15,974,220,763.69
  5. Step 5: Solve for x
    x = 15,974,220,763.69/134,537.09
  6. Step 6: Final answer
    x = 118,734.70

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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.