Home / 96,018.40-144,027.60-90,186.40

Finding the Fourth Proportional to 96,018.40, 144,027.60 and 90,186.40

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Solution

The fourth proportional to 96,018.40, 144,027.60 and 90,186.40 is: 135,279.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,018.40 : 144,027.60 = 90,186.40 : x
  2. Step 2: Convert to fraction form
    96,018.40/144,027.60 = 90,186.40/x
  3. Step 3: Cross multiply
    96,018.40x = 144,027.60 × 90,186.40
  4. Step 4: Simplify right side
    96,018.40x = 12,989,330,744.64
  5. Step 5: Solve for x
    x = 12,989,330,744.64/96,018.40
  6. Step 6: Final answer
    x = 135,279.60

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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.