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Finding the Fourth Proportional to 186,386.10, 279,251.10 and 160,142.10

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Solution

The fourth proportional to 186,386.10, 279,251.10 and 160,142.10 is: 239,931.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,386.10 : 279,251.10 = 160,142.10 : x
  2. Step 2: Convert to fraction form
    186,386.10/279,251.10 = 160,142.10/x
  3. Step 3: Cross multiply
    186,386.10x = 279,251.10 × 160,142.10
  4. Step 4: Simplify right side
    186,386.10x = 44,719,857,581.31
  5. Step 5: Solve for x
    x = 44,719,857,581.31/186,386.10
  6. Step 6: Final answer
    x = 239,931.29

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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.