Home / 102,345.98-153,331.93-74,196.21

Finding the Fourth Proportional to 102,345.98, 153,331.93 and 74,196.21

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Solution

The fourth proportional to 102,345.98, 153,331.93 and 74,196.21 is: 111,158.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,345.98 : 153,331.93 = 74,196.21 : x
  2. Step 2: Convert to fraction form
    102,345.98/153,331.93 = 74,196.21/x
  3. Step 3: Cross multiply
    102,345.98x = 153,331.93 × 74,196.21
  4. Step 4: Simplify right side
    102,345.98x = 11,376,647,707.00
  5. Step 5: Solve for x
    x = 11,376,647,707.00/102,345.98
  6. Step 6: Final answer
    x = 111,158.72

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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.