Home / 187,094.40-280,641.60-112,444.80

Finding the Fourth Proportional to 187,094.40, 280,641.60 and 112,444.80

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Solution

The fourth proportional to 187,094.40, 280,641.60 and 112,444.80 is: 168,667.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,094.40 : 280,641.60 = 112,444.80 : x
  2. Step 2: Convert to fraction form
    187,094.40/280,641.60 = 112,444.80/x
  3. Step 3: Cross multiply
    187,094.40x = 280,641.60 × 112,444.80
  4. Step 4: Simplify right side
    187,094.40x = 31,556,688,583.68
  5. Step 5: Solve for x
    x = 31,556,688,583.68/187,094.40
  6. Step 6: Final answer
    x = 168,667.20

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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.