Home / 159,075.16-219,524.29-87,459.73

Finding the Fourth Proportional to 159,075.16, 219,524.29 and 87,459.73

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Solution

The fourth proportional to 159,075.16, 219,524.29 and 87,459.73 is: 120,694.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,075.16 : 219,524.29 = 87,459.73 : x
  2. Step 2: Convert to fraction form
    159,075.16/219,524.29 = 87,459.73/x
  3. Step 3: Cross multiply
    159,075.16x = 219,524.29 × 87,459.73
  4. Step 4: Simplify right side
    159,075.16x = 19,199,534,364.38
  5. Step 5: Solve for x
    x = 19,199,534,364.38/159,075.16
  6. Step 6: Final answer
    x = 120,694.74

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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.