Home / 158,164.47-218,267.64-85,567.14

Finding the Fourth Proportional to 158,164.47, 218,267.64 and 85,567.14

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Solution

The fourth proportional to 158,164.47, 218,267.64 and 85,567.14 is: 118,083.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,164.47 : 218,267.64 = 85,567.14 : x
  2. Step 2: Convert to fraction form
    158,164.47/218,267.64 = 85,567.14/x
  3. Step 3: Cross multiply
    158,164.47x = 218,267.64 × 85,567.14
  4. Step 4: Simplify right side
    158,164.47x = 18,676,537,709.35
  5. Step 5: Solve for x
    x = 18,676,537,709.35/158,164.47
  6. Step 6: Final answer
    x = 118,083.02

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1.5x scale

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.