Home / 114,521.13-171,698.64-76,988.10

Finding the Fourth Proportional to 114,521.13, 171,698.64 and 76,988.10

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Solution

The fourth proportional to 114,521.13, 171,698.64 and 76,988.10 is: 115,426.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,521.13 : 171,698.64 = 76,988.10 : x
  2. Step 2: Convert to fraction form
    114,521.13/171,698.64 = 76,988.10/x
  3. Step 3: Cross multiply
    114,521.13x = 171,698.64 × 76,988.10
  4. Step 4: Simplify right side
    114,521.13x = 13,218,752,066.18
  5. Step 5: Solve for x
    x = 13,218,752,066.18/114,521.13
  6. Step 6: Final answer
    x = 115,426.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.