Home / 130,913.45-180,649.47-73,548.27

Finding the Fourth Proportional to 130,913.45, 180,649.47 and 73,548.27

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Solution

The fourth proportional to 130,913.45, 180,649.47 and 73,548.27 is: 101,490.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,913.45 : 180,649.47 = 73,548.27 : x
  2. Step 2: Convert to fraction form
    130,913.45/180,649.47 = 73,548.27/x
  3. Step 3: Cross multiply
    130,913.45x = 180,649.47 × 73,548.27
  4. Step 4: Simplify right side
    130,913.45x = 13,286,455,994.92
  5. Step 5: Solve for x
    x = 13,286,455,994.92/130,913.45
  6. Step 6: Final answer
    x = 101,490.38

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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.