Home / 147,976.40-221,964.60-64,870.40

Finding the Fourth Proportional to 147,976.40, 221,964.60 and 64,870.40

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Solution

The fourth proportional to 147,976.40, 221,964.60 and 64,870.40 is: 97,305.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,976.40 : 221,964.60 = 64,870.40 : x
  2. Step 2: Convert to fraction form
    147,976.40/221,964.60 = 64,870.40/x
  3. Step 3: Cross multiply
    147,976.40x = 221,964.60 × 64,870.40
  4. Step 4: Simplify right side
    147,976.40x = 14,398,932,387.84
  5. Step 5: Solve for x
    x = 14,398,932,387.84/147,976.40
  6. Step 6: Final answer
    x = 97,305.60

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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.