Home / 105,838.32-146,070.36-61,126.32

Finding the Fourth Proportional to 105,838.32, 146,070.36 and 61,126.32

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Solution

The fourth proportional to 105,838.32, 146,070.36 and 61,126.32 is: 84,362.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,838.32 : 146,070.36 = 61,126.32 : x
  2. Step 2: Convert to fraction form
    105,838.32/146,070.36 = 61,126.32/x
  3. Step 3: Cross multiply
    105,838.32x = 146,070.36 × 61,126.32
  4. Step 4: Simplify right side
    105,838.32x = 8,928,743,567.88
  5. Step 5: Solve for x
    x = 8,928,743,567.88/105,838.32
  6. Step 6: Final answer
    x = 84,362.11

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1.5x scale

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.