Home / 130,445.82-180,018.14-73,089.41

Finding the Fourth Proportional to 130,445.82, 180,018.14 and 73,089.41

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Solution

The fourth proportional to 130,445.82, 180,018.14 and 73,089.41 is: 100,865.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,445.82 : 180,018.14 = 73,089.41 : x
  2. Step 2: Convert to fraction form
    130,445.82/180,018.14 = 73,089.41/x
  3. Step 3: Cross multiply
    130,445.82x = 180,018.14 × 73,089.41
  4. Step 4: Simplify right side
    130,445.82x = 13,157,418,376.36
  5. Step 5: Solve for x
    x = 13,157,418,376.36/130,445.82
  6. Step 6: Final answer
    x = 100,865.01

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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.