Home / 134,667.60-202,001.40-103,174.80

Finding the Fourth Proportional to 134,667.60, 202,001.40 and 103,174.80

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Solution

The fourth proportional to 134,667.60, 202,001.40 and 103,174.80 is: 154,762.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,667.60 : 202,001.40 = 103,174.80 : x
  2. Step 2: Convert to fraction form
    134,667.60/202,001.40 = 103,174.80/x
  3. Step 3: Cross multiply
    134,667.60x = 202,001.40 × 103,174.80
  4. Step 4: Simplify right side
    134,667.60x = 20,841,454,044.72
  5. Step 5: Solve for x
    x = 20,841,454,044.72/134,667.60
  6. Step 6: Final answer
    x = 154,762.20

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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.