Home / 137,575.04-189,783.68-89,856.32

Finding the Fourth Proportional to 137,575.04, 189,783.68 and 89,856.32

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Solution

The fourth proportional to 137,575.04, 189,783.68 and 89,856.32 is: 123,956.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,575.04 : 189,783.68 = 89,856.32 : x
  2. Step 2: Convert to fraction form
    137,575.04/189,783.68 = 89,856.32/x
  3. Step 3: Cross multiply
    137,575.04x = 189,783.68 × 89,856.32
  4. Step 4: Simplify right side
    137,575.04x = 17,053,263,080.86
  5. Step 5: Solve for x
    x = 17,053,263,080.86/137,575.04
  6. Step 6: Final answer
    x = 123,956.08

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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.