Home / 104,532.12-144,254.93-56,785.86

Finding the Fourth Proportional to 104,532.12, 144,254.93 and 56,785.86

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Solution

The fourth proportional to 104,532.12, 144,254.93 and 56,785.86 is: 78,364.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,532.12 : 144,254.93 = 56,785.86 : x
  2. Step 2: Convert to fraction form
    104,532.12/144,254.93 = 56,785.86/x
  3. Step 3: Cross multiply
    104,532.12x = 144,254.93 × 56,785.86
  4. Step 4: Simplify right side
    104,532.12x = 8,191,639,975.36
  5. Step 5: Solve for x
    x = 8,191,639,975.36/104,532.12
  6. Step 6: Final answer
    x = 78,364.81

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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.