Home / 130,224.48-179,677.36-75,785.60

Finding the Fourth Proportional to 130,224.48, 179,677.36 and 75,785.60

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Solution

The fourth proportional to 130,224.48, 179,677.36 and 75,785.60 is: 104,565.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,224.48 : 179,677.36 = 75,785.60 : x
  2. Step 2: Convert to fraction form
    130,224.48/179,677.36 = 75,785.60/x
  3. Step 3: Cross multiply
    130,224.48x = 179,677.36 × 75,785.60
  4. Step 4: Simplify right side
    130,224.48x = 13,616,956,534.02
  5. Step 5: Solve for x
    x = 13,616,956,534.02/130,224.48
  6. Step 6: Final answer
    x = 104,565.26

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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.