Home / 90,759.93-136,140.57-31,595.46

Finding the Fourth Proportional to 90,759.93, 136,140.57 and 31,595.46

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Solution

The fourth proportional to 90,759.93, 136,140.57 and 31,595.46 is: 47,393.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,759.93 : 136,140.57 = 31,595.46 : x
  2. Step 2: Convert to fraction form
    90,759.93/136,140.57 = 31,595.46/x
  3. Step 3: Cross multiply
    90,759.93x = 136,140.57 × 31,595.46
  4. Step 4: Simplify right side
    90,759.93x = 4,301,423,933.81
  5. Step 5: Solve for x
    x = 4,301,423,933.81/90,759.93
  6. Step 6: Final answer
    x = 47,393.42

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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.