Home / 100,277.39-138,378.58-59,967.34

Finding the Fourth Proportional to 100,277.39, 138,378.58 and 59,967.34

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Solution

The fourth proportional to 100,277.39, 138,378.58 and 59,967.34 is: 82,752.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,277.39 : 138,378.58 = 59,967.34 : x
  2. Step 2: Convert to fraction form
    100,277.39/138,378.58 = 59,967.34/x
  3. Step 3: Cross multiply
    100,277.39x = 138,378.58 × 59,967.34
  4. Step 4: Simplify right side
    100,277.39x = 8,298,194,859.71
  5. Step 5: Solve for x
    x = 8,298,194,859.71/100,277.39
  6. Step 6: Final answer
    x = 82,752.40

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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.