Home / 130,023.10-195,034.65-103,779.10

Finding the Fourth Proportional to 130,023.10, 195,034.65 and 103,779.10

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Solution

The fourth proportional to 130,023.10, 195,034.65 and 103,779.10 is: 155,668.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,023.10 : 195,034.65 = 103,779.10 : x
  2. Step 2: Convert to fraction form
    130,023.10/195,034.65 = 103,779.10/x
  3. Step 3: Cross multiply
    130,023.10x = 195,034.65 × 103,779.10
  4. Step 4: Simplify right side
    130,023.10x = 20,240,520,445.82
  5. Step 5: Solve for x
    x = 20,240,520,445.82/130,023.10
  6. Step 6: Final answer
    x = 155,668.65

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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.