Home / 104,120.47-143,685.59-56,373.67

Finding the Fourth Proportional to 104,120.47, 143,685.59 and 56,373.67

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Solution

The fourth proportional to 104,120.47, 143,685.59 and 56,373.67 is: 77,795.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,120.47 : 143,685.59 = 56,373.67 : x
  2. Step 2: Convert to fraction form
    104,120.47/143,685.59 = 56,373.67/x
  3. Step 3: Cross multiply
    104,120.47x = 143,685.59 × 56,373.67
  4. Step 4: Simplify right side
    104,120.47x = 8,100,084,034.42
  5. Step 5: Solve for x
    x = 8,100,084,034.42/104,120.47
  6. Step 6: Final answer
    x = 77,795.31

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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.