Home / 152,715.31-210,870.95-95,421.38

Finding the Fourth Proportional to 152,715.31, 210,870.95 and 95,421.38

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Solution

The fourth proportional to 152,715.31, 210,870.95 and 95,421.38 is: 131,758.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,715.31 : 210,870.95 = 95,421.38 : x
  2. Step 2: Convert to fraction form
    152,715.31/210,870.95 = 95,421.38/x
  3. Step 3: Cross multiply
    152,715.31x = 210,870.95 × 95,421.38
  4. Step 4: Simplify right side
    152,715.31x = 20,121,595,519.45
  5. Step 5: Solve for x
    x = 20,121,595,519.45/152,715.31
  6. Step 6: Final answer
    x = 131,758.86

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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.