Home / 142,212.02-213,349.85-53,466.30

Finding the Fourth Proportional to 142,212.02, 213,349.85 and 53,466.30

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Solution

The fourth proportional to 142,212.02, 213,349.85 and 53,466.30 is: 80,211.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,212.02 : 213,349.85 = 53,466.30 : x
  2. Step 2: Convert to fraction form
    142,212.02/213,349.85 = 53,466.30/x
  3. Step 3: Cross multiply
    142,212.02x = 213,349.85 × 53,466.30
  4. Step 4: Simplify right side
    142,212.02x = 11,407,025,750.97
  5. Step 5: Solve for x
    x = 11,407,025,750.97/142,212.02
  6. Step 6: Final answer
    x = 80,211.40

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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.