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Finding the Fourth Proportional to 176,020.40, 264,030.60 and 87,287.60

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Solution

The fourth proportional to 176,020.40, 264,030.60 and 87,287.60 is: 130,931.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,020.40 : 264,030.60 = 87,287.60 : x
  2. Step 2: Convert to fraction form
    176,020.40/264,030.60 = 87,287.60/x
  3. Step 3: Cross multiply
    176,020.40x = 264,030.60 × 87,287.60
  4. Step 4: Simplify right side
    176,020.40x = 23,046,597,400.56
  5. Step 5: Solve for x
    x = 23,046,597,400.56/176,020.40
  6. Step 6: Final answer
    x = 130,931.40

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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.