Home / 130,368.78-195,551.55-41,621.13

Finding the Fourth Proportional to 130,368.78, 195,551.55 and 41,621.13

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Solution

The fourth proportional to 130,368.78, 195,551.55 and 41,621.13 is: 62,431.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,368.78 : 195,551.55 = 41,621.13 : x
  2. Step 2: Convert to fraction form
    130,368.78/195,551.55 = 41,621.13/x
  3. Step 3: Cross multiply
    130,368.78x = 195,551.55 × 41,621.13
  4. Step 4: Simplify right side
    130,368.78x = 8,139,076,484.25
  5. Step 5: Solve for x
    x = 8,139,076,484.25/130,368.78
  6. Step 6: Final answer
    x = 62,431.18

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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.