Home / 155,565.49-214,624.23-101,881.12

Finding the Fourth Proportional to 155,565.49, 214,624.23 and 101,881.12

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Solution

The fourth proportional to 155,565.49, 214,624.23 and 101,881.12 is: 140,559.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,565.49 : 214,624.23 = 101,881.12 : x
  2. Step 2: Convert to fraction form
    155,565.49/214,624.23 = 101,881.12/x
  3. Step 3: Cross multiply
    155,565.49x = 214,624.23 × 101,881.12
  4. Step 4: Simplify right side
    155,565.49x = 21,866,156,931.54
  5. Step 5: Solve for x
    x = 21,866,156,931.54/155,565.49
  6. Step 6: Final answer
    x = 140,559.17

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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.