Home / 130,586.40-180,147.68-94,697.68

Finding the Fourth Proportional to 130,586.40, 180,147.68 and 94,697.68

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Solution

The fourth proportional to 130,586.40, 180,147.68 and 94,697.68 is: 130,638.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,586.40 : 180,147.68 = 94,697.68 : x
  2. Step 2: Convert to fraction form
    130,586.40/180,147.68 = 94,697.68/x
  3. Step 3: Cross multiply
    130,586.40x = 180,147.68 × 94,697.68
  4. Step 4: Simplify right side
    130,586.40x = 17,059,567,353.38
  5. Step 5: Solve for x
    x = 17,059,567,353.38/130,586.40
  6. Step 6: Final answer
    x = 130,638.16

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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.