Home / 210,102.12-289,931.40-114,605.55

Finding the Fourth Proportional to 210,102.12, 289,931.40 and 114,605.55

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Solution

The fourth proportional to 210,102.12, 289,931.40 and 114,605.55 is: 158,150.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,102.12 : 289,931.40 = 114,605.55 : x
  2. Step 2: Convert to fraction form
    210,102.12/289,931.40 = 114,605.55/x
  3. Step 3: Cross multiply
    210,102.12x = 289,931.40 × 114,605.55
  4. Step 4: Simplify right side
    210,102.12x = 33,227,747,559.27
  5. Step 5: Solve for x
    x = 33,227,747,559.27/210,102.12
  6. Step 6: Final answer
    x = 158,150.46

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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.