Home / 114,031.92-170,897.12-82,547.20

Finding the Fourth Proportional to 114,031.92, 170,897.12 and 82,547.20

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Solution

The fourth proportional to 114,031.92, 170,897.12 and 82,547.20 is: 123,711.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,031.92 : 170,897.12 = 82,547.20 : x
  2. Step 2: Convert to fraction form
    114,031.92/170,897.12 = 82,547.20/x
  3. Step 3: Cross multiply
    114,031.92x = 170,897.12 × 82,547.20
  4. Step 4: Simplify right side
    114,031.92x = 14,107,078,744.06
  5. Step 5: Solve for x
    x = 14,107,078,744.06/114,031.92
  6. Step 6: Final answer
    x = 123,711.67

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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.