Home / 118,025.70-162,876.20-70,281.06

Finding the Fourth Proportional to 118,025.70, 162,876.20 and 70,281.06

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Solution

The fourth proportional to 118,025.70, 162,876.20 and 70,281.06 is: 96,988.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,025.70 : 162,876.20 = 70,281.06 : x
  2. Step 2: Convert to fraction form
    118,025.70/162,876.20 = 70,281.06/x
  3. Step 3: Cross multiply
    118,025.70x = 162,876.20 × 70,281.06
  4. Step 4: Simplify right side
    118,025.70x = 11,447,111,984.77
  5. Step 5: Solve for x
    x = 11,447,111,984.77/118,025.70
  6. Step 6: Final answer
    x = 96,988.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.