Home / 130,207.71-195,310.14-98,810.64

Finding the Fourth Proportional to 130,207.71, 195,310.14 and 98,810.64

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Solution

The fourth proportional to 130,207.71, 195,310.14 and 98,810.64 is: 148,214.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,207.71 : 195,310.14 = 98,810.64 : x
  2. Step 2: Convert to fraction form
    130,207.71/195,310.14 = 98,810.64/x
  3. Step 3: Cross multiply
    130,207.71x = 195,310.14 × 98,810.64
  4. Step 4: Simplify right side
    130,207.71x = 19,298,719,931.89
  5. Step 5: Solve for x
    x = 19,298,719,931.89/130,207.71
  6. Step 6: Final answer
    x = 148,214.88

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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.