Home / 187,718.08-281,574.75-45,564.55

Finding the Fourth Proportional to 187,718.08, 281,574.75 and 45,564.55

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Solution

The fourth proportional to 187,718.08, 281,574.75 and 45,564.55 is: 68,346.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,718.08 : 281,574.75 = 45,564.55 : x
  2. Step 2: Convert to fraction form
    187,718.08/281,574.75 = 45,564.55/x
  3. Step 3: Cross multiply
    187,718.08x = 281,574.75 × 45,564.55
  4. Step 4: Simplify right side
    187,718.08x = 12,829,826,775.11
  5. Step 5: Solve for x
    x = 12,829,826,775.11/187,718.08
  6. Step 6: Final answer
    x = 68,346.25

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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.