Home / 114,929.28-172,271.88-55,683.72

Finding the Fourth Proportional to 114,929.28, 172,271.88 and 55,683.72

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Solution

The fourth proportional to 114,929.28, 172,271.88 and 55,683.72 is: 83,466.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,929.28 : 172,271.88 = 55,683.72 : x
  2. Step 2: Convert to fraction form
    114,929.28/172,271.88 = 55,683.72/x
  3. Step 3: Cross multiply
    114,929.28x = 172,271.88 × 55,683.72
  4. Step 4: Simplify right side
    114,929.28x = 9,592,739,129.79
  5. Step 5: Solve for x
    x = 9,592,739,129.79/114,929.28
  6. Step 6: Final answer
    x = 83,466.45

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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.