Home / 104,891.46-157,386.40-52,305.05

Finding the Fourth Proportional to 104,891.46, 157,386.40 and 52,305.05

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Solution

The fourth proportional to 104,891.46, 157,386.40 and 52,305.05 is: 78,482.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,891.46 : 157,386.40 = 52,305.05 : x
  2. Step 2: Convert to fraction form
    104,891.46/157,386.40 = 52,305.05/x
  3. Step 3: Cross multiply
    104,891.46x = 157,386.40 × 52,305.05
  4. Step 4: Simplify right side
    104,891.46x = 8,232,102,603.63
  5. Step 5: Solve for x
    x = 8,232,102,603.63/104,891.46
  6. Step 6: Final answer
    x = 78,482.11

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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.