Home / 104,458.32-144,152.56-56,711.68

Finding the Fourth Proportional to 104,458.32, 144,152.56 and 56,711.68

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Solution

The fourth proportional to 104,458.32, 144,152.56 and 56,711.68 is: 78,262.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,458.32 : 144,152.56 = 56,711.68 : x
  2. Step 2: Convert to fraction form
    104,458.32/144,152.56 = 56,711.68/x
  3. Step 3: Cross multiply
    104,458.32x = 144,152.56 × 56,711.68
  4. Step 4: Simplify right side
    104,458.32x = 8,175,133,853.90
  5. Step 5: Solve for x
    x = 8,175,133,853.90/104,458.32
  6. Step 6: Final answer
    x = 78,262.16

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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.