Home / 130,027.20-195,117.60-94,878.40

Finding the Fourth Proportional to 130,027.20, 195,117.60 and 94,878.40

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Solution

The fourth proportional to 130,027.20, 195,117.60 and 94,878.40 is: 142,373.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,027.20 : 195,117.60 = 94,878.40 : x
  2. Step 2: Convert to fraction form
    130,027.20/195,117.60 = 94,878.40/x
  3. Step 3: Cross multiply
    130,027.20x = 195,117.60 × 94,878.40
  4. Step 4: Simplify right side
    130,027.20x = 18,512,445,699.84
  5. Step 5: Solve for x
    x = 18,512,445,699.84/130,027.20
  6. Step 6: Final answer
    x = 142,373.64

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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.