Home / 113,112.64-169,515.87-42,953.68

Finding the Fourth Proportional to 113,112.64, 169,515.87 and 42,953.68

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Solution

The fourth proportional to 113,112.64, 169,515.87 and 42,953.68 is: 64,372.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,112.64 : 169,515.87 = 42,953.68 : x
  2. Step 2: Convert to fraction form
    113,112.64/169,515.87 = 42,953.68/x
  3. Step 3: Cross multiply
    113,112.64x = 169,515.87 × 42,953.68
  4. Step 4: Simplify right side
    113,112.64x = 7,281,330,434.90
  5. Step 5: Solve for x
    x = 7,281,330,434.90/113,112.64
  6. Step 6: Final answer
    x = 64,372.39

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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.