Home / 130,929.44-180,690.37-98,607.05

Finding the Fourth Proportional to 130,929.44, 180,690.37 and 98,607.05

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Solution

The fourth proportional to 130,929.44, 180,690.37 and 98,607.05 is: 136,083.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,929.44 : 180,690.37 = 98,607.05 : x
  2. Step 2: Convert to fraction form
    130,929.44/180,690.37 = 98,607.05/x
  3. Step 3: Cross multiply
    130,929.44x = 180,690.37 × 98,607.05
  4. Step 4: Simplify right side
    130,929.44x = 17,817,344,349.11
  5. Step 5: Solve for x
    x = 17,817,344,349.11/130,929.44
  6. Step 6: Final answer
    x = 136,083.56

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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.