Home / 147,909.80-221,864.70-63,710.30

Finding the Fourth Proportional to 147,909.80, 221,864.70 and 63,710.30

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Solution

The fourth proportional to 147,909.80, 221,864.70 and 63,710.30 is: 95,565.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,909.80 : 221,864.70 = 63,710.30 : x
  2. Step 2: Convert to fraction form
    147,909.80/221,864.70 = 63,710.30/x
  3. Step 3: Cross multiply
    147,909.80x = 221,864.70 × 63,710.30
  4. Step 4: Simplify right side
    147,909.80x = 14,135,066,596.41
  5. Step 5: Solve for x
    x = 14,135,066,596.41/147,909.80
  6. Step 6: Final answer
    x = 95,565.45

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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.