Home / 75,430.14-113,159.79-25,518.35

Finding the Fourth Proportional to 75,430.14, 113,159.79 and 25,518.35

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Solution

The fourth proportional to 75,430.14, 113,159.79 and 25,518.35 is: 38,282.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,430.14 : 113,159.79 = 25,518.35 : x
  2. Step 2: Convert to fraction form
    75,430.14/113,159.79 = 25,518.35/x
  3. Step 3: Cross multiply
    75,430.14x = 113,159.79 × 25,518.35
  4. Step 4: Simplify right side
    75,430.14x = 2,887,650,561.35
  5. Step 5: Solve for x
    x = 2,887,650,561.35/75,430.14
  6. Step 6: Final answer
    x = 38,282.45

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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.