Home / 165,031.40-247,547.10-131,570.30

Finding the Fourth Proportional to 165,031.40, 247,547.10 and 131,570.30

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Solution

The fourth proportional to 165,031.40, 247,547.10 and 131,570.30 is: 197,355.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,031.40 : 247,547.10 = 131,570.30 : x
  2. Step 2: Convert to fraction form
    165,031.40/247,547.10 = 131,570.30/x
  3. Step 3: Cross multiply
    165,031.40x = 247,547.10 × 131,570.30
  4. Step 4: Simplify right side
    165,031.40x = 32,569,846,211.13
  5. Step 5: Solve for x
    x = 32,569,846,211.13/165,031.40
  6. Step 6: Final answer
    x = 197,355.45

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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.