Home / 173,430.90-260,146.35-55,114.20

Finding the Fourth Proportional to 173,430.90, 260,146.35 and 55,114.20

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Solution

The fourth proportional to 173,430.90, 260,146.35 and 55,114.20 is: 82,671.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,430.90 : 260,146.35 = 55,114.20 : x
  2. Step 2: Convert to fraction form
    173,430.90/260,146.35 = 55,114.20/x
  3. Step 3: Cross multiply
    173,430.90x = 260,146.35 × 55,114.20
  4. Step 4: Simplify right side
    173,430.90x = 14,337,757,963.17
  5. Step 5: Solve for x
    x = 14,337,757,963.17/173,430.90
  6. Step 6: Final answer
    x = 82,671.30

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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.