Home / 152,305.56-210,154.19-87,763.14

Finding the Fourth Proportional to 152,305.56, 210,154.19 and 87,763.14

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Solution

The fourth proportional to 152,305.56, 210,154.19 and 87,763.14 is: 121,097.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,305.56 : 210,154.19 = 87,763.14 : x
  2. Step 2: Convert to fraction form
    152,305.56/210,154.19 = 87,763.14/x
  3. Step 3: Cross multiply
    152,305.56x = 210,154.19 × 87,763.14
  4. Step 4: Simplify right side
    152,305.56x = 18,443,791,159.74
  5. Step 5: Solve for x
    x = 18,443,791,159.74/152,305.56
  6. Step 6: Final answer
    x = 121,097.29

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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.