Home / 118,013.04-162,783.60-70,230.72

Finding the Fourth Proportional to 118,013.04, 162,783.60 and 70,230.72

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Solution

The fourth proportional to 118,013.04, 162,783.60 and 70,230.72 is: 96,874.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,013.04 : 162,783.60 = 70,230.72 : x
  2. Step 2: Convert to fraction form
    118,013.04/162,783.60 = 70,230.72/x
  3. Step 3: Cross multiply
    118,013.04x = 162,783.60 × 70,230.72
  4. Step 4: Simplify right side
    118,013.04x = 11,432,409,432.19
  5. Step 5: Solve for x
    x = 11,432,409,432.19/118,013.04
  6. Step 6: Final answer
    x = 96,874.12

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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.