Home / 115,039.28-158,752.95-64,050.90

Finding the Fourth Proportional to 115,039.28, 158,752.95 and 64,050.90

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Solution

The fourth proportional to 115,039.28, 158,752.95 and 64,050.90 is: 88,389.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,039.28 : 158,752.95 = 64,050.90 : x
  2. Step 2: Convert to fraction form
    115,039.28/158,752.95 = 64,050.90/x
  3. Step 3: Cross multiply
    115,039.28x = 158,752.95 × 64,050.90
  4. Step 4: Simplify right side
    115,039.28x = 10,168,268,489.64
  5. Step 5: Solve for x
    x = 10,168,268,489.64/115,039.28
  6. Step 6: Final answer
    x = 88,389.53

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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.