Home / 145,949.16-218,595.68-88,868.46

Finding the Fourth Proportional to 145,949.16, 218,595.68 and 88,868.46

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Solution

The fourth proportional to 145,949.16, 218,595.68 and 88,868.46 is: 133,102.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,949.16 : 218,595.68 = 88,868.46 : x
  2. Step 2: Convert to fraction form
    145,949.16/218,595.68 = 88,868.46/x
  3. Step 3: Cross multiply
    145,949.16x = 218,595.68 × 88,868.46
  4. Step 4: Simplify right side
    145,949.16x = 19,426,261,444.25
  5. Step 5: Solve for x
    x = 19,426,261,444.25/145,949.16
  6. Step 6: Final answer
    x = 133,102.93

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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.