Home / 103,637.14-155,206.59-59,128.95

Finding the Fourth Proportional to 103,637.14, 155,206.59 and 59,128.95

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Solution

The fourth proportional to 103,637.14, 155,206.59 and 59,128.95 is: 88,551.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,637.14 : 155,206.59 = 59,128.95 : x
  2. Step 2: Convert to fraction form
    103,637.14/155,206.59 = 59,128.95/x
  3. Step 3: Cross multiply
    103,637.14x = 155,206.59 × 59,128.95
  4. Step 4: Simplify right side
    103,637.14x = 9,177,202,713.63
  5. Step 5: Solve for x
    x = 9,177,202,713.63/103,637.14
  6. Step 6: Final answer
    x = 88,551.30

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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.