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Finding the Fourth Proportional to 188,886.16, 260,663.52 and 102,846.16

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Solution

The fourth proportional to 188,886.16, 260,663.52 and 102,846.16 is: 141,928.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,886.16 : 260,663.52 = 102,846.16 : x
  2. Step 2: Convert to fraction form
    188,886.16/260,663.52 = 102,846.16/x
  3. Step 3: Cross multiply
    188,886.16x = 260,663.52 × 102,846.16
  4. Step 4: Simplify right side
    188,886.16x = 26,808,242,084.08
  5. Step 5: Solve for x
    x = 26,808,242,084.08/188,886.16
  6. Step 6: Final answer
    x = 141,928.04

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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.