Home / 131,567.60-197,351.40-89,577.20

Finding the Fourth Proportional to 131,567.60, 197,351.40 and 89,577.20

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Solution

The fourth proportional to 131,567.60, 197,351.40 and 89,577.20 is: 134,365.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,567.60 : 197,351.40 = 89,577.20 : x
  2. Step 2: Convert to fraction form
    131,567.60/197,351.40 = 89,577.20/x
  3. Step 3: Cross multiply
    131,567.60x = 197,351.40 × 89,577.20
  4. Step 4: Simplify right side
    131,567.60x = 17,678,185,828.08
  5. Step 5: Solve for x
    x = 17,678,185,828.08/131,567.60
  6. Step 6: Final answer
    x = 134,365.80

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1.5x scale

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.