Home / 157,534.10-236,301.15-86,675.30

Finding the Fourth Proportional to 157,534.10, 236,301.15 and 86,675.30

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Solution

The fourth proportional to 157,534.10, 236,301.15 and 86,675.30 is: 130,012.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,534.10 : 236,301.15 = 86,675.30 : x
  2. Step 2: Convert to fraction form
    157,534.10/236,301.15 = 86,675.30/x
  3. Step 3: Cross multiply
    157,534.10x = 236,301.15 × 86,675.30
  4. Step 4: Simplify right side
    157,534.10x = 20,481,473,066.60
  5. Step 5: Solve for x
    x = 20,481,473,066.60/157,534.10
  6. Step 6: Final answer
    x = 130,012.95

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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.