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Finding the Fourth Proportional to 162,904.80, 245,013.30 and 145,846.20

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Solution

The fourth proportional to 162,904.80, 245,013.30 and 145,846.20 is: 219,356.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,904.80 : 245,013.30 = 145,846.20 : x
  2. Step 2: Convert to fraction form
    162,904.80/245,013.30 = 145,846.20/x
  3. Step 3: Cross multiply
    162,904.80x = 245,013.30 × 145,846.20
  4. Step 4: Simplify right side
    162,904.80x = 35,734,258,754.46
  5. Step 5: Solve for x
    x = 35,734,258,754.46/162,904.80
  6. Step 6: Final answer
    x = 219,356.70

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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.