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Finding the Fourth Proportional to 130,000.80, 179,484.48 and 106,184.64

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Solution

The fourth proportional to 130,000.80, 179,484.48 and 106,184.64 is: 146,602.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,000.80 : 179,484.48 = 106,184.64 : x
  2. Step 2: Convert to fraction form
    130,000.80/179,484.48 = 106,184.64/x
  3. Step 3: Cross multiply
    130,000.80x = 179,484.48 × 106,184.64
  4. Step 4: Simplify right side
    130,000.80x = 19,058,494,894.39
  5. Step 5: Solve for x
    x = 19,058,494,894.39/130,000.80
  6. Step 6: Final answer
    x = 146,602.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.