Home / 145,864.40-218,796.51-112,632.98

Finding the Fourth Proportional to 145,864.40, 218,796.51 and 112,632.98

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Solution

The fourth proportional to 145,864.40, 218,796.51 and 112,632.98 is: 168,949.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,864.40 : 218,796.51 = 112,632.98 : x
  2. Step 2: Convert to fraction form
    145,864.40/218,796.51 = 112,632.98/x
  3. Step 3: Cross multiply
    145,864.40x = 218,796.51 × 112,632.98
  4. Step 4: Simplify right side
    145,864.40x = 24,643,702,934.90
  5. Step 5: Solve for x
    x = 24,643,702,934.90/145,864.40
  6. Step 6: Final answer
    x = 168,949.40

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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.