Home / 113,487.77-170,078.55-43,328.81

Finding the Fourth Proportional to 113,487.77, 170,078.55 and 43,328.81

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Solution

The fourth proportional to 113,487.77, 170,078.55 and 43,328.81 is: 64,934.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,487.77 : 170,078.55 = 43,328.81 : x
  2. Step 2: Convert to fraction form
    113,487.77/170,078.55 = 43,328.81/x
  3. Step 3: Cross multiply
    113,487.77x = 170,078.55 × 43,328.81
  4. Step 4: Simplify right side
    113,487.77x = 7,369,300,327.63
  5. Step 5: Solve for x
    x = 7,369,300,327.63/113,487.77
  6. Step 6: Final answer
    x = 64,934.76

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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.