Home / 128,547.08-192,748.50-88,066.34

Finding the Fourth Proportional to 128,547.08, 192,748.50 and 88,066.34

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Solution

The fourth proportional to 128,547.08, 192,748.50 and 88,066.34 is: 132,050.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,547.08 : 192,748.50 = 88,066.34 : x
  2. Step 2: Convert to fraction form
    128,547.08/192,748.50 = 88,066.34/x
  3. Step 3: Cross multiply
    128,547.08x = 192,748.50 × 88,066.34
  4. Step 4: Simplify right side
    128,547.08x = 16,974,654,694.55
  5. Step 5: Solve for x
    x = 16,974,654,694.55/128,547.08
  6. Step 6: Final answer
    x = 132,050.10

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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.