Home / 130,956.18-180,714.75-80,054.16

Finding the Fourth Proportional to 130,956.18, 180,714.75 and 80,054.16

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Solution

The fourth proportional to 130,956.18, 180,714.75 and 80,054.16 is: 110,471.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,956.18 : 180,714.75 = 80,054.16 : x
  2. Step 2: Convert to fraction form
    130,956.18/180,714.75 = 80,054.16/x
  3. Step 3: Cross multiply
    130,956.18x = 180,714.75 × 80,054.16
  4. Step 4: Simplify right side
    130,956.18x = 14,466,967,510.86
  5. Step 5: Solve for x
    x = 14,466,967,510.86/130,956.18
  6. Step 6: Final answer
    x = 110,471.82

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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.