Home / 99,011.10-148,363.77-66,864.18

Finding the Fourth Proportional to 99,011.10, 148,363.77 and 66,864.18

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Solution

The fourth proportional to 99,011.10, 148,363.77 and 66,864.18 is: 100,193.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,011.10 : 148,363.77 = 66,864.18 : x
  2. Step 2: Convert to fraction form
    99,011.10/148,363.77 = 66,864.18/x
  3. Step 3: Cross multiply
    99,011.10x = 148,363.77 × 66,864.18
  4. Step 4: Simplify right side
    99,011.10x = 9,920,221,822.76
  5. Step 5: Solve for x
    x = 9,920,221,822.76/99,011.10
  6. Step 6: Final answer
    x = 100,193.03

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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.