Home / 152,761.47-210,763.58-89,054.16

Finding the Fourth Proportional to 152,761.47, 210,763.58 and 89,054.16

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Solution

The fourth proportional to 152,761.47, 210,763.58 and 89,054.16 is: 122,867.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,761.47 : 210,763.58 = 89,054.16 : x
  2. Step 2: Convert to fraction form
    152,761.47/210,763.58 = 89,054.16/x
  3. Step 3: Cross multiply
    152,761.47x = 210,763.58 × 89,054.16
  4. Step 4: Simplify right side
    152,761.47x = 18,769,372,521.67
  5. Step 5: Solve for x
    x = 18,769,372,521.67/152,761.47
  6. Step 6: Final answer
    x = 122,867.19

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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.