Home / 130,875.32-180,586.80-73,511.90

Finding the Fourth Proportional to 130,875.32, 180,586.80 and 73,511.90

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Solution

The fourth proportional to 130,875.32, 180,586.80 and 73,511.90 is: 101,434.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,875.32 : 180,586.80 = 73,511.90 : x
  2. Step 2: Convert to fraction form
    130,875.32/180,586.80 = 73,511.90/x
  3. Step 3: Cross multiply
    130,875.32x = 180,586.80 × 73,511.90
  4. Step 4: Simplify right side
    130,875.32x = 13,275,278,782.92
  5. Step 5: Solve for x
    x = 13,275,278,782.92/130,875.32
  6. Step 6: Final answer
    x = 101,434.55

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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.