Home / 96,009.20-144,013.80-66,484.70

Finding the Fourth Proportional to 96,009.20, 144,013.80 and 66,484.70

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Solution

The fourth proportional to 96,009.20, 144,013.80 and 66,484.70 is: 99,727.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,009.20 : 144,013.80 = 66,484.70 : x
  2. Step 2: Convert to fraction form
    96,009.20/144,013.80 = 66,484.70/x
  3. Step 3: Cross multiply
    96,009.20x = 144,013.80 × 66,484.70
  4. Step 4: Simplify right side
    96,009.20x = 9,574,714,288.86
  5. Step 5: Solve for x
    x = 9,574,714,288.86/96,009.20
  6. Step 6: Final answer
    x = 99,727.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.