Home / 152,946.80-229,420.20-47,776.40

Finding the Fourth Proportional to 152,946.80, 229,420.20 and 47,776.40

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Solution

The fourth proportional to 152,946.80, 229,420.20 and 47,776.40 is: 71,664.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,946.80 : 229,420.20 = 47,776.40 : x
  2. Step 2: Convert to fraction form
    152,946.80/229,420.20 = 47,776.40/x
  3. Step 3: Cross multiply
    152,946.80x = 229,420.20 × 47,776.40
  4. Step 4: Simplify right side
    152,946.80x = 10,960,871,243.28
  5. Step 5: Solve for x
    x = 10,960,871,243.28/152,946.80
  6. Step 6: Final answer
    x = 71,664.60

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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.