Home / 130,938.24-196,434.24-42,165.12

Finding the Fourth Proportional to 130,938.24, 196,434.24 and 42,165.12

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Solution

The fourth proportional to 130,938.24, 196,434.24 and 42,165.12 is: 63,256.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,938.24 : 196,434.24 = 42,165.12 : x
  2. Step 2: Convert to fraction form
    130,938.24/196,434.24 = 42,165.12/x
  3. Step 3: Cross multiply
    130,938.24x = 196,434.24 × 42,165.12
  4. Step 4: Simplify right side
    130,938.24x = 8,282,673,301.71
  5. Step 5: Solve for x
    x = 8,282,673,301.71/130,938.24
  6. Step 6: Final answer
    x = 63,256.34

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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.