Home / 130,283.72-179,776.40-72,926.24

Finding the Fourth Proportional to 130,283.72, 179,776.40 and 72,926.24

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Solution

The fourth proportional to 130,283.72, 179,776.40 and 72,926.24 is: 100,629.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,283.72 : 179,776.40 = 72,926.24 : x
  2. Step 2: Convert to fraction form
    130,283.72/179,776.40 = 72,926.24/x
  3. Step 3: Cross multiply
    130,283.72x = 179,776.40 × 72,926.24
  4. Step 4: Simplify right side
    130,283.72x = 13,110,417,524.49
  5. Step 5: Solve for x
    x = 13,110,417,524.49/130,283.72
  6. Step 6: Final answer
    x = 100,629.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.