Home / 115,637.60-173,341.20-53,199.20

Finding the Fourth Proportional to 115,637.60, 173,341.20 and 53,199.20

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Solution

The fourth proportional to 115,637.60, 173,341.20 and 53,199.20 is: 79,745.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,637.60 : 173,341.20 = 53,199.20 : x
  2. Step 2: Convert to fraction form
    115,637.60/173,341.20 = 53,199.20/x
  3. Step 3: Cross multiply
    115,637.60x = 173,341.20 × 53,199.20
  4. Step 4: Simplify right side
    115,637.60x = 9,221,613,167.04
  5. Step 5: Solve for x
    x = 9,221,613,167.04/115,637.60
  6. Step 6: Final answer
    x = 79,745.80

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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.