Home / 158,534.55-218,779.47-90,560.52

Finding the Fourth Proportional to 158,534.55, 218,779.47 and 90,560.52

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Solution

The fourth proportional to 158,534.55, 218,779.47 and 90,560.52 is: 124,974.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,534.55 : 218,779.47 = 90,560.52 : x
  2. Step 2: Convert to fraction form
    158,534.55/218,779.47 = 90,560.52/x
  3. Step 3: Cross multiply
    158,534.55x = 218,779.47 × 90,560.52
  4. Step 4: Simplify right side
    158,534.55x = 19,812,782,568.52
  5. Step 5: Solve for x
    x = 19,812,782,568.52/158,534.55
  6. Step 6: Final answer
    x = 124,974.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.