Home / 130,624.50-180,278.82-76,914.48

Finding the Fourth Proportional to 130,624.50, 180,278.82 and 76,914.48

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Solution

The fourth proportional to 130,624.50, 180,278.82 and 76,914.48 is: 106,152.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,624.50 : 180,278.82 = 76,914.48 : x
  2. Step 2: Convert to fraction form
    130,624.50/180,278.82 = 76,914.48/x
  3. Step 3: Cross multiply
    130,624.50x = 180,278.82 × 76,914.48
  4. Step 4: Simplify right side
    130,624.50x = 13,866,051,695.31
  5. Step 5: Solve for x
    x = 13,866,051,695.31/130,624.50
  6. Step 6: Final answer
    x = 106,152.00

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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.