Home / 130,955.88-196,438.68-42,210.66

Finding the Fourth Proportional to 130,955.88, 196,438.68 and 42,210.66

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Solution

The fourth proportional to 130,955.88, 196,438.68 and 42,210.66 is: 63,317.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,955.88 : 196,438.68 = 42,210.66 : x
  2. Step 2: Convert to fraction form
    130,955.88/196,438.68 = 42,210.66/x
  3. Step 3: Cross multiply
    130,955.88x = 196,438.68 × 42,210.66
  4. Step 4: Simplify right side
    130,955.88x = 8,291,806,332.33
  5. Step 5: Solve for x
    x = 8,291,806,332.33/130,955.88
  6. Step 6: Final answer
    x = 63,317.56

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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.