Home / 130,412.03-179,970.86-73,050.86

Finding the Fourth Proportional to 130,412.03, 179,970.86 and 73,050.86

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Solution

The fourth proportional to 130,412.03, 179,970.86 and 73,050.86 is: 100,811.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,412.03 : 179,970.86 = 73,050.86 : x
  2. Step 2: Convert to fraction form
    130,412.03/179,970.86 = 73,050.86/x
  3. Step 3: Cross multiply
    130,412.03x = 179,970.86 × 73,050.86
  4. Step 4: Simplify right side
    130,412.03x = 13,147,026,730.49
  5. Step 5: Solve for x
    x = 13,147,026,730.49/130,412.03
  6. Step 6: Final answer
    x = 100,811.46

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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.