Home / 130,312.75-179,830.38-73,724.13

Finding the Fourth Proportional to 130,312.75, 179,830.38 and 73,724.13

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Solution

The fourth proportional to 130,312.75, 179,830.38 and 73,724.13 is: 101,738.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,312.75 : 179,830.38 = 73,724.13 : x
  2. Step 2: Convert to fraction form
    130,312.75/179,830.38 = 73,724.13/x
  3. Step 3: Cross multiply
    130,312.75x = 179,830.38 × 73,724.13
  4. Step 4: Simplify right side
    130,312.75x = 13,257,838,313.07
  5. Step 5: Solve for x
    x = 13,257,838,313.07/130,312.75
  6. Step 6: Final answer
    x = 101,738.61

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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.