Home / 152,335.81-210,223.04-87,804.52

Finding the Fourth Proportional to 152,335.81, 210,223.04 and 87,804.52

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Solution

The fourth proportional to 152,335.81, 210,223.04 and 87,804.52 is: 121,170.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,335.81 : 210,223.04 = 87,804.52 : x
  2. Step 2: Convert to fraction form
    152,335.81/210,223.04 = 87,804.52/x
  3. Step 3: Cross multiply
    152,335.81x = 210,223.04 × 87,804.52
  4. Step 4: Simplify right side
    152,335.81x = 18,458,532,883.35
  5. Step 5: Solve for x
    x = 18,458,532,883.35/152,335.81
  6. Step 6: Final answer
    x = 121,170.02

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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.