Home / 110,547.32-165,820.30-31,661.56

Finding the Fourth Proportional to 110,547.32, 165,820.30 and 31,661.56

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Solution

The fourth proportional to 110,547.32, 165,820.30 and 31,661.56 is: 47,492.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,547.32 : 165,820.30 = 31,661.56 : x
  2. Step 2: Convert to fraction form
    110,547.32/165,820.30 = 31,661.56/x
  3. Step 3: Cross multiply
    110,547.32x = 165,820.30 × 31,661.56
  4. Step 4: Simplify right side
    110,547.32x = 5,250,129,377.67
  5. Step 5: Solve for x
    x = 5,250,129,377.67/110,547.32
  6. Step 6: Final answer
    x = 47,492.15

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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.