Home / 130,622.93-180,092.78-84,601.28

Finding the Fourth Proportional to 130,622.93, 180,092.78 and 84,601.28

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Solution

The fourth proportional to 130,622.93, 180,092.78 and 84,601.28 is: 116,641.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,622.93 : 180,092.78 = 84,601.28 : x
  2. Step 2: Convert to fraction form
    130,622.93/180,092.78 = 84,601.28/x
  3. Step 3: Cross multiply
    130,622.93x = 180,092.78 × 84,601.28
  4. Step 4: Simplify right side
    130,622.93x = 15,236,079,017.80
  5. Step 5: Solve for x
    x = 15,236,079,017.80/130,622.93
  6. Step 6: Final answer
    x = 116,641.69

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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.