Home / 131,567.40-197,189.10-89,447.40

Finding the Fourth Proportional to 131,567.40, 197,189.10 and 89,447.40

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Solution

The fourth proportional to 131,567.40, 197,189.10 and 89,447.40 is: 134,060.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,567.40 : 197,189.10 = 89,447.40 : x
  2. Step 2: Convert to fraction form
    131,567.40/197,189.10 = 89,447.40/x
  3. Step 3: Cross multiply
    131,567.40x = 197,189.10 × 89,447.40
  4. Step 4: Simplify right side
    131,567.40x = 17,638,052,303.34
  5. Step 5: Solve for x
    x = 17,638,052,303.34/131,567.40
  6. Step 6: Final answer
    x = 134,060.96

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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.