Home / 126,178.08-189,267.90-37,432.32

Finding the Fourth Proportional to 126,178.08, 189,267.90 and 37,432.32

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Solution

The fourth proportional to 126,178.08, 189,267.90 and 37,432.32 is: 56,148.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,178.08 : 189,267.90 = 37,432.32 : x
  2. Step 2: Convert to fraction form
    126,178.08/189,267.90 = 37,432.32/x
  3. Step 3: Cross multiply
    126,178.08x = 189,267.90 × 37,432.32
  4. Step 4: Simplify right side
    126,178.08x = 7,084,736,598.53
  5. Step 5: Solve for x
    x = 7,084,736,598.53/126,178.08
  6. Step 6: Final answer
    x = 56,148.71

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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.