Home / 145,685.04-201,054.59-88,329.85

Finding the Fourth Proportional to 145,685.04, 201,054.59 and 88,329.85

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Solution

The fourth proportional to 145,685.04, 201,054.59 and 88,329.85 is: 121,900.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,685.04 : 201,054.59 = 88,329.85 : x
  2. Step 2: Convert to fraction form
    145,685.04/201,054.59 = 88,329.85/x
  3. Step 3: Cross multiply
    145,685.04x = 201,054.59 × 88,329.85
  4. Step 4: Simplify right side
    145,685.04x = 17,759,121,776.51
  5. Step 5: Solve for x
    x = 17,759,121,776.51/145,685.04
  6. Step 6: Final answer
    x = 121,900.80

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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.