Home / 130,092.74-179,529.37-76,378.40

Finding the Fourth Proportional to 130,092.74, 179,529.37 and 76,378.40

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Solution

The fourth proportional to 130,092.74, 179,529.37 and 76,378.40 is: 105,403.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,092.74 : 179,529.37 = 76,378.40 : x
  2. Step 2: Convert to fraction form
    130,092.74/179,529.37 = 76,378.40/x
  3. Step 3: Cross multiply
    130,092.74x = 179,529.37 × 76,378.40
  4. Step 4: Simplify right side
    130,092.74x = 13,712,164,945.02
  5. Step 5: Solve for x
    x = 13,712,164,945.02/130,092.74
  6. Step 6: Final answer
    x = 105,403.00

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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.