Home / 130,277.64-195,214.69-90,374.23

Finding the Fourth Proportional to 130,277.64, 195,214.69 and 90,374.23

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Solution

The fourth proportional to 130,277.64, 195,214.69 and 90,374.23 is: 135,421.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,277.64 : 195,214.69 = 90,374.23 : x
  2. Step 2: Convert to fraction form
    130,277.64/195,214.69 = 90,374.23/x
  3. Step 3: Cross multiply
    130,277.64x = 195,214.69 × 90,374.23
  4. Step 4: Simplify right side
    130,277.64x = 17,642,377,293.44
  5. Step 5: Solve for x
    x = 17,642,377,293.44/130,277.64
  6. Step 6: Final answer
    x = 135,421.38

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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.