Home / 105,547.56-158,322.14-30,672.78

Finding the Fourth Proportional to 105,547.56, 158,322.14 and 30,672.78

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Solution

The fourth proportional to 105,547.56, 158,322.14 and 30,672.78 is: 46,009.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,547.56 : 158,322.14 = 30,672.78 : x
  2. Step 2: Convert to fraction form
    105,547.56/158,322.14 = 30,672.78/x
  3. Step 3: Cross multiply
    105,547.56x = 158,322.14 × 30,672.78
  4. Step 4: Simplify right side
    105,547.56x = 4,856,180,169.35
  5. Step 5: Solve for x
    x = 4,856,180,169.35/105,547.56
  6. Step 6: Final answer
    x = 46,009.40

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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.