Home / 147,316.80-220,975.20-53,810.40

Finding the Fourth Proportional to 147,316.80, 220,975.20 and 53,810.40

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Solution

The fourth proportional to 147,316.80, 220,975.20 and 53,810.40 is: 80,715.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,316.80 : 220,975.20 = 53,810.40 : x
  2. Step 2: Convert to fraction form
    147,316.80/220,975.20 = 53,810.40/x
  3. Step 3: Cross multiply
    147,316.80x = 220,975.20 × 53,810.40
  4. Step 4: Simplify right side
    147,316.80x = 11,890,763,902.08
  5. Step 5: Solve for x
    x = 11,890,763,902.08/147,316.80
  6. Step 6: Final answer
    x = 80,715.60

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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.