Home / 115,444.30-159,311.63-64,457.90

Finding the Fourth Proportional to 115,444.30, 159,311.63 and 64,457.90

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Solution

The fourth proportional to 115,444.30, 159,311.63 and 64,457.90 is: 88,951.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,444.30 : 159,311.63 = 64,457.90 : x
  2. Step 2: Convert to fraction form
    115,444.30/159,311.63 = 64,457.90/x
  3. Step 3: Cross multiply
    115,444.30x = 159,311.63 × 64,457.90
  4. Step 4: Simplify right side
    115,444.30x = 10,268,892,714.81
  5. Step 5: Solve for x
    x = 10,268,892,714.81/115,444.30
  6. Step 6: Final answer
    x = 88,951.06

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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.