Home / 187,688.71-281,533.07-47,447.34

Finding the Fourth Proportional to 187,688.71, 281,533.07 and 47,447.34

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Solution

The fourth proportional to 187,688.71, 281,533.07 and 47,447.34 is: 71,171.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,688.71 : 281,533.07 = 47,447.34 : x
  2. Step 2: Convert to fraction form
    187,688.71/281,533.07 = 47,447.34/x
  3. Step 3: Cross multiply
    187,688.71x = 281,533.07 × 47,447.34
  4. Step 4: Simplify right side
    187,688.71x = 13,357,995,293.53
  5. Step 5: Solve for x
    x = 13,357,995,293.53/187,688.71
  6. Step 6: Final answer
    x = 71,171.01

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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.