Home / 130,477.98-180,060.30-73,117.44

Finding the Fourth Proportional to 130,477.98, 180,060.30 and 73,117.44

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Solution

The fourth proportional to 130,477.98, 180,060.30 and 73,117.44 is: 100,902.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,477.98 : 180,060.30 = 73,117.44 : x
  2. Step 2: Convert to fraction form
    130,477.98/180,060.30 = 73,117.44/x
  3. Step 3: Cross multiply
    130,477.98x = 180,060.30 × 73,117.44
  4. Step 4: Simplify right side
    130,477.98x = 13,165,548,181.63
  5. Step 5: Solve for x
    x = 13,165,548,181.63/130,477.98
  6. Step 6: Final answer
    x = 100,902.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.