Home / 210,125.79-289,967.85-114,632.46

Finding the Fourth Proportional to 210,125.79, 289,967.85 and 114,632.46

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Solution

The fourth proportional to 210,125.79, 289,967.85 and 114,632.46 is: 158,189.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,125.79 : 289,967.85 = 114,632.46 : x
  2. Step 2: Convert to fraction form
    210,125.79/289,967.85 = 114,632.46/x
  3. Step 3: Cross multiply
    210,125.79x = 289,967.85 × 114,632.46
  4. Step 4: Simplify right side
    210,125.79x = 33,239,727,966.41
  5. Step 5: Solve for x
    x = 33,239,727,966.41/210,125.79
  6. Step 6: Final answer
    x = 158,189.66

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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.