Home / 130,567.32-180,169.33-76,849.13

Finding the Fourth Proportional to 130,567.32, 180,169.33 and 76,849.13

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Solution

The fourth proportional to 130,567.32, 180,169.33 and 76,849.13 is: 106,043.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,567.32 : 180,169.33 = 76,849.13 : x
  2. Step 2: Convert to fraction form
    130,567.32/180,169.33 = 76,849.13/x
  3. Step 3: Cross multiply
    130,567.32x = 180,169.33 × 76,849.13
  4. Step 4: Simplify right side
    130,567.32x = 13,845,855,812.76
  5. Step 5: Solve for x
    x = 13,845,855,812.76/130,567.32
  6. Step 6: Final answer
    x = 106,043.81

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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.