Home / 113,418.36-170,008.83-42,312.39

Finding the Fourth Proportional to 113,418.36, 170,008.83 and 42,312.39

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Solution

The fourth proportional to 113,418.36, 170,008.83 and 42,312.39 is: 63,424.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,418.36 : 170,008.83 = 42,312.39 : x
  2. Step 2: Convert to fraction form
    113,418.36/170,008.83 = 42,312.39/x
  3. Step 3: Cross multiply
    113,418.36x = 170,008.83 × 42,312.39
  4. Step 4: Simplify right side
    113,418.36x = 7,193,479,918.40
  5. Step 5: Solve for x
    x = 7,193,479,918.40/113,418.36
  6. Step 6: Final answer
    x = 63,424.30

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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.