Home / 102,937.30-154,405.95-99,000.70

Finding the Fourth Proportional to 102,937.30, 154,405.95 and 99,000.70

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Solution

The fourth proportional to 102,937.30, 154,405.95 and 99,000.70 is: 148,501.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,937.30 : 154,405.95 = 99,000.70 : x
  2. Step 2: Convert to fraction form
    102,937.30/154,405.95 = 99,000.70/x
  3. Step 3: Cross multiply
    102,937.30x = 154,405.95 × 99,000.70
  4. Step 4: Simplify right side
    102,937.30x = 15,286,297,134.17
  5. Step 5: Solve for x
    x = 15,286,297,134.17/102,937.30
  6. Step 6: Final answer
    x = 148,501.05

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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.