Home / 114,417-157,905.18-64,125.72

Finding the Fourth Proportional to 114,417, 157,905.18 and 64,125.72

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Solution

The fourth proportional to 114,417, 157,905.18 and 64,125.72 is: 88,498.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,417 : 157,905.18 = 64,125.72 : x
  2. Step 2: Convert to fraction form
    114,417/157,905.18 = 64,125.72/x
  3. Step 3: Cross multiply
    114,417x = 157,905.18 × 64,125.72
  4. Step 4: Simplify right side
    114,417x = 10,125,783,359.23
  5. Step 5: Solve for x
    x = 10,125,783,359.23/114,417
  6. Step 6: Final answer
    x = 88,498.94

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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.