Home / 130,666.79-195,953.14-45,254.52

Finding the Fourth Proportional to 130,666.79, 195,953.14 and 45,254.52

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Solution

The fourth proportional to 130,666.79, 195,953.14 and 45,254.52 is: 67,865.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,666.79 : 195,953.14 = 45,254.52 : x
  2. Step 2: Convert to fraction form
    130,666.79/195,953.14 = 45,254.52/x
  3. Step 3: Cross multiply
    130,666.79x = 195,953.14 × 45,254.52
  4. Step 4: Simplify right side
    130,666.79x = 8,867,765,349.76
  5. Step 5: Solve for x
    x = 8,867,765,349.76/130,666.79
  6. Step 6: Final answer
    x = 67,865.49

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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.