Home / 187,543.13-281,314.69-56,215.13

Finding the Fourth Proportional to 187,543.13, 281,314.69 and 56,215.13

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Solution

The fourth proportional to 187,543.13, 281,314.69 and 56,215.13 is: 84,322.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,543.13 : 281,314.69 = 56,215.13 : x
  2. Step 2: Convert to fraction form
    187,543.13/281,314.69 = 56,215.13/x
  3. Step 3: Cross multiply
    187,543.13x = 281,314.69 × 56,215.13
  4. Step 4: Simplify right side
    187,543.13x = 15,814,140,322.15
  5. Step 5: Solve for x
    x = 15,814,140,322.15/187,543.13
  6. Step 6: Final answer
    x = 84,322.69

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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.